diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
index 4a1472fde7172d..b7858ba14e99af 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/release_sources.nix
@@ -1,665 +1,665 @@
 {
-  version = "78.5.1";
+  version = "78.6.0";
   sources = [
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/af/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/af/thunderbird-78.6.0.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
-      sha256 = "87cb38398aaa5af68e562a5fc6d20d3d3477d871979bd4a635c94c440e66a482";
+      sha256 = "7f8fd3a1f0e869ee03a4f120c88b606fbe4ae35d9865394fccd291caa9ae7069";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/ar/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/ar/thunderbird-78.6.0.tar.bz2";
       locale = "ar";
       arch = "linux-x86_64";
-      sha256 = "935efae7caa116e16c341d64634954d77cafbc5e28626b46f5385b8416060f51";
+      sha256 = "73e7beba4e5a2b9cd92ded3ee8e662be9a80d65d59790ed1d5401b5a61c8d147";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/ast/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/ast/thunderbird-78.6.0.tar.bz2";
       locale = "ast";
       arch = "linux-x86_64";
-      sha256 = "a5868dc7987529790910e638b64b15295a2d57e449fa515f4e17a4ab88a830e6";
+      sha256 = "890cda9e6a9582d43d61c9b4deb2241f46d34dbac5516d9a808dfbb472a22eec";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/be/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/be/thunderbird-78.6.0.tar.bz2";
       locale = "be";
       arch = "linux-x86_64";
-      sha256 = "af52b29567ce26159890f70fcdccd4cafd49c7fc75c620bb606727fd27b7049a";
+      sha256 = "b951394def900c975b2796e47d948c03c59f0fde445f22d1b9a0d89ae8b7dd83";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/bg/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/bg/thunderbird-78.6.0.tar.bz2";
       locale = "bg";
       arch = "linux-x86_64";
-      sha256 = "91856a4745a8bdefac7c2b0193766a4f0009378dfe941dbbe1afcae2ffae2337";
+      sha256 = "2440a8ea3a49d4fe7a84b0c6e67a98889bf98c5f828699bd980705c100a0e585";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/br/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/br/thunderbird-78.6.0.tar.bz2";
       locale = "br";
       arch = "linux-x86_64";
-      sha256 = "d5ba5fe368c99377a264d8574607335fc4317dad447bb38fdc6a5b53d2e95b49";
+      sha256 = "74b48030e64ff509379dd92d08734804006a8cc6176c69e387e03596138c48b0";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/ca/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/ca/thunderbird-78.6.0.tar.bz2";
       locale = "ca";
       arch = "linux-x86_64";
-      sha256 = "396a1d7b668c7f47b56d7cb41e6e914f03e9e517a14b4698abedb501037ef2c1";
+      sha256 = "4b951a13352db2cc90aadf94c1e57bc5b40660d82dab855aa80751bbce9aa3b8";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/cak/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/cak/thunderbird-78.6.0.tar.bz2";
       locale = "cak";
       arch = "linux-x86_64";
-      sha256 = "914b76ad8268db608be0595039a68189146ded384c23407ccbcd78a5e74e19ae";
+      sha256 = "bfb2ebc8a6b376603b9e310ad664a099725a29183c67b02ee13ecf3eb9a3bdac";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/cs/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/cs/thunderbird-78.6.0.tar.bz2";
       locale = "cs";
       arch = "linux-x86_64";
-      sha256 = "4b62702cabecfbb2567b19446f405936c9d948dad6f65a2e3f21809d4f2b1176";
+      sha256 = "de30e9d948ade3c82b7ebd58a3bbed5e880abcdb2d9c58f8e64d9d3d78bb336d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/cy/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/cy/thunderbird-78.6.0.tar.bz2";
       locale = "cy";
       arch = "linux-x86_64";
-      sha256 = "736d245bd7766ac8c611a6801b3769a84baf4abae94818e0cfcadde8521850ad";
+      sha256 = "b7d0bb95acb861c453d8649673d9e582920a6df6a9662b8a6f996636d54c68c2";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/da/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/da/thunderbird-78.6.0.tar.bz2";
       locale = "da";
       arch = "linux-x86_64";
-      sha256 = "53143b51b84ee74ee9131d3b3b80e2cf873e5a8c22478c87db34a9d2ac34607a";
+      sha256 = "2c4765b34f1d63a9eae942531b7f489150d6850f68487565082ea18c94f3ad0d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/de/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/de/thunderbird-78.6.0.tar.bz2";
       locale = "de";
       arch = "linux-x86_64";
-      sha256 = "2f3a4d8bf96e9653dd3883ac4399c650e87831d7df137358401966683d382e6c";
+      sha256 = "e29280a519f4eca06d4e5862085d8fb8cefb9577918ba953cdc6f63ffc44a6ed";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/dsb/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/dsb/thunderbird-78.6.0.tar.bz2";
       locale = "dsb";
       arch = "linux-x86_64";
-      sha256 = "81a3674dd2495da673a2fe3e3d200d7cadf83f9c67ff92bf2d607f6546bc2f38";
+      sha256 = "d638be5a999fd1b287628b449235e9995169c06c2cf46d1f7e6de282bf4357b8";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/el/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/el/thunderbird-78.6.0.tar.bz2";
       locale = "el";
       arch = "linux-x86_64";
-      sha256 = "651e8f535b2518bc4e56706cfb76da6d0e35d4fec031f8426cbefb404e4790d7";
+      sha256 = "34cbbca7eb8ecd5078d52d429b76ed0b5334398040d6e00aa5b5926bf8eeaba8";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/en-CA/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/en-CA/thunderbird-78.6.0.tar.bz2";
       locale = "en-CA";
       arch = "linux-x86_64";
-      sha256 = "775983115d98e3581db993f6202fdad1de6b23d38e5bb7edfd965ad6bc0ae425";
+      sha256 = "d50be05404a4b51e3a9c2fc4a73d75504f11e12a7ba7331ca43d5f078f462303";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/en-GB/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/en-GB/thunderbird-78.6.0.tar.bz2";
       locale = "en-GB";
       arch = "linux-x86_64";
-      sha256 = "d0a3569c76b85fdca01e5098cf279b08a63d2d9023e92cadf3f8dc136d76c619";
+      sha256 = "4d11d73b268369117861250f4fecd5c6d19a904145caaaeb7ee86c7eb9e63f9f";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/en-US/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/en-US/thunderbird-78.6.0.tar.bz2";
       locale = "en-US";
       arch = "linux-x86_64";
-      sha256 = "4363d8fd759ac4f4783eeb76726c8cf22e5afb3c171f26fe5cca5ab194ab6959";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/es-AR/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/es-AR/thunderbird-78.6.0.tar.bz2";
       locale = "es-AR";
       arch = "linux-x86_64";
-      sha256 = "3a04a2e42935c97c7ef003e4a690c0433783b57ce56700f07ad8b590e48b4ad0";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/es-ES/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/es-ES/thunderbird-78.6.0.tar.bz2";
       locale = "es-ES";
       arch = "linux-x86_64";
-      sha256 = "f70a3feb09b79153d18e2a382017abbd6e015c78d4d55ff66f8b199b450172c4";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/et/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/et/thunderbird-78.6.0.tar.bz2";
       locale = "et";
       arch = "linux-x86_64";
-      sha256 = "c739f5306a2526baf74e57a029371390d02f8c119681b0f154481ae32c67c18c";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/eu/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/eu/thunderbird-78.6.0.tar.bz2";
       locale = "eu";
       arch = "linux-x86_64";
-      sha256 = "9f95f4f1ec40e2732e053e68b31529b827f95876ad890d752f5380158f53b9e6";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/fa/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/fa/thunderbird-78.6.0.tar.bz2";
       locale = "fa";
       arch = "linux-x86_64";
-      sha256 = "e53dd458656ee9f39e996042016256949c974161c51b1bee63a401d90d59bace";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/fi/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/fi/thunderbird-78.6.0.tar.bz2";
       locale = "fi";
       arch = "linux-x86_64";
-      sha256 = "b0a96b08e986e49ee6526ab098fb0d44700b3a2aa7f96205b318fdd4b938ef51";
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     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/fr/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/fr/thunderbird-78.6.0.tar.bz2";
       locale = "fr";
       arch = "linux-x86_64";
-      sha256 = "872da741245da7466de58d766a0362983d59a111a65a333881d3636defe00eb4";
+      sha256 = "82b382d1ea014a26a397c3fe06c586732df756104533c7450494ad43b11e43a5";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/fy-NL/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/fy-NL/thunderbird-78.6.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "d57862f51ec01e63ab77916ab352276b7f4992b089508dee0c9c5d389ab88d95";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/ga-IE/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/ga-IE/thunderbird-78.6.0.tar.bz2";
       locale = "ga-IE";
       arch = "linux-x86_64";
-      sha256 = "bda41b8eff5a5004f753944c49f15ddbd1f76c19b0310481251e04ff64309597";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/gd/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/gd/thunderbird-78.6.0.tar.bz2";
       locale = "gd";
       arch = "linux-x86_64";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/gl/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/gl/thunderbird-78.6.0.tar.bz2";
       locale = "gl";
       arch = "linux-x86_64";
-      sha256 = "b458d6f79914fc4c551b3fa4444dc5ad4fa8d3310907a33a3480bf363bcdbfdb";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/he/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/he/thunderbird-78.6.0.tar.bz2";
       locale = "he";
       arch = "linux-x86_64";
-      sha256 = "146f2a8417827d2d6352f7cc20486ecca8fd1e0ad384d4eb2d8b2635edf2075f";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/hr/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/hr/thunderbird-78.6.0.tar.bz2";
       locale = "hr";
       arch = "linux-x86_64";
-      sha256 = "5c510bd3a8f8015e5c8a7c0cff401e3557b0cdca83bff77d2384c8f75f287152";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/hsb/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/hsb/thunderbird-78.6.0.tar.bz2";
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       arch = "linux-x86_64";
-      sha256 = "605ae5746f0df98c7a561550da9cc938d0e06a222f422910ab118fa89d09e793";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/hu/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/hu/thunderbird-78.6.0.tar.bz2";
       locale = "hu";
       arch = "linux-x86_64";
-      sha256 = "7d42f5e242e04d06bb9abd9bde8fe21571fa13f91b027369a048447d4de8526c";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/hy-AM/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/hy-AM/thunderbird-78.6.0.tar.bz2";
       locale = "hy-AM";
       arch = "linux-x86_64";
-      sha256 = "74b0b31089be36c0538eb24c98e57123f24599b4122aac5b08c4eb914f6a8f7d";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/id/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/id/thunderbird-78.6.0.tar.bz2";
       locale = "id";
       arch = "linux-x86_64";
-      sha256 = "291ad6b1fcdc537e723ee76cf0a40a3084bdf1ebec68fc3c8c54714618f5d790";
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-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-x86_64/is/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-x86_64/is/thunderbird-78.6.0.tar.bz2";
       locale = "is";
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       locale = "ko";
       arch = "linux-i686";
-      sha256 = "42b0bf1ebfce252fdfca3ed8de9f227bbb054bf591e6155b716b18e9613a9cff";
+      sha256 = "49b82df2eaa66e658b4ff0f84af7b128a92eddce7e9ce129f0f28b8239367967";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/lt/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/lt/thunderbird-78.6.0.tar.bz2";
       locale = "lt";
       arch = "linux-i686";
-      sha256 = "6ffe9b52189579bee34604499649901be5c8be2a026eb70a33ac9eb4e3b21880";
+      sha256 = "6d263e236457576a0e853fd0b00711182c34c32436f65c8fc952aa2810fa500d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/ms/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/ms/thunderbird-78.6.0.tar.bz2";
       locale = "ms";
       arch = "linux-i686";
-      sha256 = "640942eb04d84d24bd28cf5e49e57497934810394b50693bad591cf3b783e1bf";
+      sha256 = "45b050930b8357e3a988701d46234ccdd43ba7b38e56b88d157dee6309c375c3";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/nb-NO/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/nb-NO/thunderbird-78.6.0.tar.bz2";
       locale = "nb-NO";
       arch = "linux-i686";
-      sha256 = "c0d35274192ae664314e91fd9364609cbbf142f8177d37210c9c49fdf8d31086";
+      sha256 = "23760a375705d8c3d22aaefab60c9a761fe73f5d6c97f3a3621312ba362f77ef";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/nl/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/nl/thunderbird-78.6.0.tar.bz2";
       locale = "nl";
       arch = "linux-i686";
-      sha256 = "864ac834a0f44ce112deb107abce170802abaa63556f0aad88ee828bf3f8a98c";
+      sha256 = "8f006195886d26a519363c1a61940a53388952a67bae4fad07de50ab24ee21c5";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/nn-NO/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/nn-NO/thunderbird-78.6.0.tar.bz2";
       locale = "nn-NO";
       arch = "linux-i686";
-      sha256 = "e821eaf0388885e3b5e88001a2c4410cdf065059b79a3581c324f53d1cf59eb5";
+      sha256 = "85710ff8542c6d592a939a55300040633f5b8fa8587f5c6c0ba0c3c2c7e5e62e";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/pa-IN/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/pa-IN/thunderbird-78.6.0.tar.bz2";
       locale = "pa-IN";
       arch = "linux-i686";
-      sha256 = "5a0afbf815683afd24c258ac66a45dc300028b4d41a9950784355645874459ed";
+      sha256 = "cc1120713915ba43b74e9a4daa5814cf83b32317bc1503061c233e5fe28f8214";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/pl/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/pl/thunderbird-78.6.0.tar.bz2";
       locale = "pl";
       arch = "linux-i686";
-      sha256 = "cebdc0a0188edc63fce0b4fe0a4a3f22ab792ad486bd1e10e635ac8f641f1b5d";
+      sha256 = "bf3da9722d7c9602304f64c7b11aba83cb899a23c1ddd179d5eb431aca23301b";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/pt-BR/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/pt-BR/thunderbird-78.6.0.tar.bz2";
       locale = "pt-BR";
       arch = "linux-i686";
-      sha256 = "7bbf9aa4d48bf84a7455dcebc6b7476e4c1ffa085c1771fbdf302f71d10e4825";
+      sha256 = "0104d48b2de1e26e3b66545a76b7892e2b1b17f56ebf8558353e031fb8741614";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/pt-PT/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/pt-PT/thunderbird-78.6.0.tar.bz2";
       locale = "pt-PT";
       arch = "linux-i686";
-      sha256 = "b84c28dfb5d677768a6e0f69c8ea63fcaf884839739789ac72f50e7b8884f8ca";
+      sha256 = "b376bc3cc3f87484c9f976f30a3049bd4873ec67982574ec570c5c96d7643285";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/rm/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/rm/thunderbird-78.6.0.tar.bz2";
       locale = "rm";
       arch = "linux-i686";
-      sha256 = "f34eea430a9e929c25ad961b1c92724c5539a46cbbfb9a97a5c7edca4996115a";
+      sha256 = "d68e60b06b03b5313a1ddc42464ee5a3ead106655860e1d2c359802875276778";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/ro/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/ro/thunderbird-78.6.0.tar.bz2";
       locale = "ro";
       arch = "linux-i686";
-      sha256 = "115cd666282822f35924d4de3b33fd0dd3d790d278bb35849ada579d43d5ac54";
+      sha256 = "051c01b3e2f69258e1d44599c6c485785c1624a67fa6548517ec242c69bf47fa";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/ru/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/ru/thunderbird-78.6.0.tar.bz2";
       locale = "ru";
       arch = "linux-i686";
-      sha256 = "961eb62e639f8f7c7c5695bd39df50fe4b3401e7aeade8281600779bb8edd374";
+      sha256 = "db0f48c765e7ec9c090e1d5f43f42faa5ac6cc9e4d593dbc6b8ff6f8f7210027";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/si/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/si/thunderbird-78.6.0.tar.bz2";
       locale = "si";
       arch = "linux-i686";
-      sha256 = "0887999609e47839a0f7600215c3083ce939fe13abc0c38cf701449224dbc87a";
+      sha256 = "fc104d206779b8b909f645a86151b193da0792c9af6360fbb4933d8224f23bb2";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/sk/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/sk/thunderbird-78.6.0.tar.bz2";
       locale = "sk";
       arch = "linux-i686";
-      sha256 = "a3b9281efc4c0cd6cb454f2c5b97567b4d2c6567076cee188e85c30a45213f98";
+      sha256 = "d08d8fe02577ad931020fdfd45b673fd2b71e41d66c1532b8025012e493c869d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/sl/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/sl/thunderbird-78.6.0.tar.bz2";
       locale = "sl";
       arch = "linux-i686";
-      sha256 = "141e9a41dba4c2a3eee4370d2db6e14f8805fee2d70c20ecbb9865b7a0dcaa77";
+      sha256 = "6907401bb3973911ece57b9b3bd56032b02c2c140ab79ec554f4574a7e2121cc";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/sq/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/sq/thunderbird-78.6.0.tar.bz2";
       locale = "sq";
       arch = "linux-i686";
-      sha256 = "6a50fdac7993294937756a169b4b0ac7fe021611c5c6a730ea194ee7302c95dc";
+      sha256 = "bca13f569b5cd0e6a4bac8ae59a8f1b228010a95871763600080473f45ffe5a2";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/sr/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/sr/thunderbird-78.6.0.tar.bz2";
       locale = "sr";
       arch = "linux-i686";
-      sha256 = "2ec4c2f367bceb3f05c75e55366cc66fae6593fc35c79d7bea57f34f93d79dba";
+      sha256 = "df9328979af4c36d553992e0928d63a6cfcf0a54541e091fe7bb57e2e934057f";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/sv-SE/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/sv-SE/thunderbird-78.6.0.tar.bz2";
       locale = "sv-SE";
       arch = "linux-i686";
-      sha256 = "4a9027f9aa74bd9c6e3cbf02ac1918f1b9dfbda57ed0344a99fccad9fa271f79";
+      sha256 = "a310b66e76a2062354d2ec10dbe0827188610618ac87f866010b418d26032a50";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/th/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/th/thunderbird-78.6.0.tar.bz2";
       locale = "th";
       arch = "linux-i686";
-      sha256 = "f394b18a364fa84ff5eeeee00c841248ba4095285833ce625b700fd500b9c0cc";
+      sha256 = "efb37f15a311d2c66678f42f13085e77eaf8819b2fe16ee52e3410dde5e85bee";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/tr/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/tr/thunderbird-78.6.0.tar.bz2";
       locale = "tr";
       arch = "linux-i686";
-      sha256 = "9f180c1b6b604fc597bf1ecb10e3521c70953cb70d4292105cb3bc7cbeb806c0";
+      sha256 = "4f9f9088ab91ebc3e4e022ba77cf8c168ab961c73317fccd07e987e38ec6eb57";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/uk/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/uk/thunderbird-78.6.0.tar.bz2";
       locale = "uk";
       arch = "linux-i686";
-      sha256 = "f828ac8f52bda71f913462e60fb7ea2221de4f824063b95b85709320a820db8a";
+      sha256 = "d9c527045270007c74e84d9f77ab6cbab2f07112d8688757920f5adbc5bbdf1d";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/uz/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/uz/thunderbird-78.6.0.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha256 = "8d3dd4a1bbe008e4d346c22c01bafe988dde88fa6c9919c50194b9b155bc821f";
+      sha256 = "9ea90845e8668afff622f412f571b59e03e6c02d49a4e47cb99ab93f5da822dd";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/vi/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/vi/thunderbird-78.6.0.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha256 = "4db40b3debca281c59e926bd0f9cb4e5cd2150bf27235f1178ed8e497616a031";
+      sha256 = "ccf4bd8c6269fb8ae15413923d556ecafb808ef205688dfb78379347a5bce5f4";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/zh-CN/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/zh-CN/thunderbird-78.6.0.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha256 = "399707f970a01e2f3c2eacc81f2f3bb33b1f49433c3ba6c49f4615b499f0c246";
+      sha256 = "22f0b4a72f995a9936fed178138d3e0c40fb3aefeda989c9ba83fc82a4296fcf";
     }
-    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.5.1/linux-i686/zh-TW/thunderbird-78.5.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/thunderbird/releases/78.6.0/linux-i686/zh-TW/thunderbird-78.6.0.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha256 = "27ad21908069582a4a7641dc9a7d9acc69d4842382499cef2cee2f84d0fc3856";
+      sha256 = "b8c8633732641b8ab87bfc2a2867a95b817ce6d0fd0e8f569221bc51ac23e849";
     }
     ];
 }
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index a16a96a9e61c65..2408bcaa0074e5 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -70,13 +70,13 @@ assert waylandSupport -> gtk3Support == true;
 
 stdenv.mkDerivation rec {
   pname = "thunderbird";
-  version = "78.5.1";
+  version = "78.6.0";
 
   src = fetchurl {
     url =
       "mirror://mozilla/thunderbird/releases/${version}/source/thunderbird-${version}.source.tar.xz";
     sha512 =
-      "202s2h9fsvg4chy93rgxdf4vlavf3wbp9vqgh0nrgk5wcdhz17144vhw1bmxia8hf99snq2a3ix6haidwl8d2n6l2nfsjzcnphhxd9z";
+      "0hx9gg3ngpvgshrz9j7ni4kh3chadqd5w5fpywjjw4naj0k53d0i9jjhq4p6fyvf6rb2g825ibqq794lr9drn6nrfndh5w1yn5lw69n";
   };
 
   nativeBuildInputs = [