diff --git a/pkgs/applications/misc/gollum/Gemfile.lock b/pkgs/applications/misc/gollum/Gemfile.lock
index 7315c0a8d724bf..977bd5e50ddd51 100644
--- a/pkgs/applications/misc/gollum/Gemfile.lock
+++ b/pkgs/applications/misc/gollum/Gemfile.lock
@@ -1,54 +1,62 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    charlock_holmes (0.7.3)
+    charlock_holmes (0.7.6)
     diff-lcs (1.3)
     gemojione (3.3.0)
       json
-    github-markup (1.6.1)
-    gitlab-grit (2.8.1)
+    github-markup (1.7.0)
+    gitlab-grit (2.8.2)
       charlock_holmes (~> 0.6)
       diff-lcs (~> 1.1)
-      mime-types (>= 1.16, < 3)
+      mime-types (>= 1.16)
       posix-spawn (~> 0.3)
-    gollum (4.1.2)
+    gollum (4.1.4)
       gemojione (~> 3.2)
-      gollum-lib (>= 4.2.7)
+      gollum-lib (~> 4.2, >= 4.2.10)
       kramdown (~> 1.9.0)
       mustache (>= 0.99.5, < 1.0.0)
       sinatra (~> 1.4, >= 1.4.4)
       useragent (~> 0.16.2)
     gollum-grit_adapter (1.0.1)
       gitlab-grit (~> 2.7, >= 2.7.1)
-    gollum-lib (4.2.7)
+    gollum-lib (4.2.10)
       gemojione (~> 3.2)
       github-markup (~> 1.6)
       gollum-grit_adapter (~> 1.0)
       nokogiri (>= 1.6.1, < 2.0)
       rouge (~> 2.1)
-      sanitize (~> 2.1)
+      sanitize (~> 2.1.1, >= 2.1.1)
       stringex (~> 2.6)
+      twitter-text (= 1.14.7)
     json (2.1.0)
     kramdown (1.9.0)
-    mime-types (2.99.3)
-    mini_portile2 (2.2.0)
+    mime-types (3.2.2)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2018.0812)
+    mini_portile2 (2.3.0)
     mustache (0.99.8)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.8.4)
+      mini_portile2 (~> 2.3.0)
     posix-spawn (0.3.13)
-    rack (1.6.8)
-    rack-protection (1.5.3)
+    rack (1.6.10)
+    rack-protection (1.5.5)
       rack
-    rouge (2.1.1)
-    sanitize (2.1.0)
+    rouge (2.2.1)
+    sanitize (2.1.1)
       nokogiri (>= 1.4.4)
     sinatra (1.4.8)
       rack (~> 1.5)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
-    stringex (2.7.1)
+    stringex (2.8.4)
     tilt (2.0.8)
-    useragent (0.16.8)
+    twitter-text (1.14.7)
+      unf (~> 0.1.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.5)
+    useragent (0.16.10)
 
 PLATFORMS
   ruby
@@ -57,4 +65,4 @@ DEPENDENCIES
   gollum
 
 BUNDLED WITH
-   1.15.3
+   1.16.3
diff --git a/pkgs/applications/misc/gollum/default.nix b/pkgs/applications/misc/gollum/default.nix
index 4ad32c5fd7f58d..4a0a4e38a61be1 100644
--- a/pkgs/applications/misc/gollum/default.nix
+++ b/pkgs/applications/misc/gollum/default.nix
@@ -4,6 +4,7 @@
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "gollum";
+  # nix-shell -p bundix icu zlib
   version = (import ./gemset.nix).gollum.version;
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/applications/misc/gollum/gemset.nix b/pkgs/applications/misc/gollum/gemset.nix
index cff774d7daa07b..3413b6ba631076 100644
--- a/pkgs/applications/misc/gollum/gemset.nix
+++ b/pkgs/applications/misc/gollum/gemset.nix
@@ -2,10 +2,10 @@
   charlock_holmes = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0jsl6k27wjmssxbwv9wpf7hgp9r0nvizcf6qpjnr7qs2nia53lf7";
+      sha256 = "1nf1l31n10yaark2rrg5qzyzcx9w80681449s3j09qmnipsl8rl5";
       type = "gem";
     };
-    version = "0.7.3";
+    version = "0.7.6";
   };
   diff-lcs = {
     source = {
@@ -27,28 +27,28 @@
   github-markup = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1nyb9ck2c9z5qi86n7r52w0m126qpnvc93yh35cn8bwsnkjqx0iq";
+      sha256 = "17g6g18gdjg63k75sfwiskjzl9i0hfcnrkcpb4fwrnb20v3jgswp";
       type = "gem";
     };
-    version = "1.6.1";
+    version = "1.7.0";
   };
   gitlab-grit = {
     dependencies = ["charlock_holmes" "diff-lcs" "mime-types" "posix-spawn"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0lf1cr6pzqrbnxiiwym6q74b1a2ihdi91dynajk8hi1p093hl66n";
+      sha256 = "0xgs3l81ghlc5nm75n0pz7b2cj3hpscfq5iy27c483nnjn2v5mc4";
       type = "gem";
     };
-    version = "2.8.1";
+    version = "2.8.2";
   };
   gollum = {
     dependencies = ["gemojione" "gollum-lib" "kramdown" "mustache" "sinatra" "useragent"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "051pm2f50daiqcqy87aq4809x4c95iwwml6ca4wgvvmj5zkk6k5a";
+      sha256 = "0ik1b0f73lcxfwfml1h84dp6br79g0z9v6x54wvl46n9d1ndrhl7";
       type = "gem";
     };
-    version = "4.1.2";
+    version = "4.1.4";
   };
   gollum-grit_adapter = {
     dependencies = ["gitlab-grit"];
@@ -60,13 +60,13 @@
     version = "1.0.1";
   };
   gollum-lib = {
-    dependencies = ["gemojione" "github-markup" "gollum-grit_adapter" "nokogiri" "rouge" "sanitize" "stringex"];
+    dependencies = ["gemojione" "github-markup" "gollum-grit_adapter" "nokogiri" "rouge" "sanitize" "stringex" "twitter-text"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1filwvjfj5q2m6w4q274ai36d6f0mrsv2l2khhk4bv1q6pqby2fq";
+      sha256 = "1699wiir6f2a8yawk3qg0xn3zdc10mz783v53ri1ivfnzdrm3dvf";
       type = "gem";
     };
-    version = "4.2.7";
+    version = "4.2.10";
   };
   json = {
     source = {
@@ -85,20 +85,29 @@
     version = "1.9.0";
   };
   mime-types = {
+    dependencies = ["mime-types-data"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "03j98xr0qw2p2jkclpmk7pm29yvmmh0073d8d43ajmr0h3w7i5l9";
+      sha256 = "0fjxy1jm52ixpnv3vg9ld9pr9f35gy0jp66i1njhqjvmnvq0iwwk";
       type = "gem";
     };
-    version = "2.99.3";
+    version = "3.2.2";
+  };
+  mime-types-data = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "07wvp0aw2gjm4njibb70as6rh5hi1zzri5vky1q6jx95h8l56idc";
+      type = "gem";
+    };
+    version = "3.2018.0812";
   };
   mini_portile2 = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0g5bpgy08q0nc0anisg3yvwc1gc3inl854fcrg48wvg7glqd6dpm";
+      sha256 = "13d32jjadpjj6d2wdhkfpsmy68zjx90p49bgf8f7nkpz86r1fr11";
       type = "gem";
     };
-    version = "2.2.0";
+    version = "2.3.0";
   };
   mustache = {
     source = {
@@ -112,10 +121,10 @@
     dependencies = ["mini_portile2"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1nffsyx1xjg6v5n9rrbi8y1arrcx2i5f21cp6clgh9iwiqkr7rnn";
+      sha256 = "1h9nml9h3m0mpvmh8jfnqvblnz5n5y3mmhgfc38avfmfzdrq9bgc";
       type = "gem";
     };
-    version = "1.8.0";
+    version = "1.8.4";
   };
   posix-spawn = {
     source = {
@@ -128,36 +137,36 @@
   rack = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "19m7aixb2ri7p1n0iqaqx8ldi97xdhvbxijbyrrcdcl6fv5prqza";
+      sha256 = "0in0amn0kwvzmi8h5zg6ijrx5wpsf8h96zrfmnk1kwh2ql4sxs2q";
       type = "gem";
     };
-    version = "1.6.8";
+    version = "1.6.10";
   };
   rack-protection = {
     dependencies = ["rack"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0cvb21zz7p9wy23wdav63z5qzfn4nialik22yqp6gihkgfqqrh5r";
+      sha256 = "0my0wlw4a5l3hs79jkx2xzv7djhajgf8d28k8ai1ddlnxxb0v7ss";
       type = "gem";
     };
-    version = "1.5.3";
+    version = "1.5.5";
   };
   rouge = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1wn6rq5qjmcwh9ixkljazv6gmg746rgbgs6av5qnk0mxim5qw11p";
+      sha256 = "02kpahk5nkc33yxnn75649kzxaz073wvazr2zyg491nndykgnvcs";
       type = "gem";
     };
-    version = "2.1.1";
+    version = "2.2.1";
   };
   sanitize = {
     dependencies = ["nokogiri"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0xsv6xqrlz91rd8wifjknadbl3z5h6qphmxy0hjb189qbdghggn3";
+      sha256 = "12ip1d80r0dgc621qn7c32bk12xxgkkg3w6q21s1ckxivcd7r898";
       type = "gem";
     };
-    version = "2.1.0";
+    version = "2.1.1";
   };
   sinatra = {
     dependencies = ["rack" "rack-protection" "tilt"];
@@ -171,10 +180,10 @@
   stringex = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1zc93v00av643lc6njl09wwki7h5yqayhh1din8zqfylw814l1dv";
+      sha256 = "0c5dfrjzkskzfsdvwsviq4111rwwpbk9022nxwdidz014mky5vi1";
       type = "gem";
     };
-    version = "2.7.1";
+    version = "2.8.4";
   };
   tilt = {
     source = {
@@ -184,12 +193,38 @@
     };
     version = "2.0.8";
   };
+  twitter-text = {
+    dependencies = ["unf"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1732h7hy1k152w8wfvjsx7b79alk45i5imwd37ia4qcx8hfm3gvg";
+      type = "gem";
+    };
+    version = "1.14.7";
+  };
+  unf = {
+    dependencies = ["unf_ext"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bh2cf73i2ffh4fcpdn9ir4mhq8zi50ik0zqa1braahzadx536a9";
+      type = "gem";
+    };
+    version = "0.1.4";
+  };
+  unf_ext = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "06p1i6qhy34bpb8q8ms88y6f2kz86azwm098yvcc0nyqk9y729j1";
+      type = "gem";
+    };
+    version = "0.0.7.5";
+  };
   useragent = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1139cjqyv1hk1qcw89k81ajjkqyakqgbcyvmfrsmjqi8yn9kgqhq";
+      sha256 = "1fv5kvq494swy0p17h9qya9r50w15xsi9zmvhzb8gh55kq6ki50p";
       type = "gem";
     };
-    version = "0.16.8";
+    version = "0.16.10";
   };
 }
\ No newline at end of file
diff --git a/pkgs/applications/misc/jekyll/basic/Gemfile.lock b/pkgs/applications/misc/jekyll/basic/Gemfile.lock
index 15beb8a88fb15e..a714cdbb0d06d0 100644
--- a/pkgs/applications/misc/jekyll/basic/Gemfile.lock
+++ b/pkgs/applications/misc/jekyll/basic/Gemfile.lock
@@ -17,13 +17,13 @@ GEM
     ffi (1.9.25)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    html-pipeline (2.8.0)
+    html-pipeline (2.8.4)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.3)
+    jekyll (3.8.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -38,7 +38,7 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-avatar (0.6.0)
       jekyll (~> 3.0)
-    jekyll-mentions (1.4.0)
+    jekyll-mentions (1.4.1)
       html-pipeline (~> 2.3)
       jekyll (~> 3.0)
     jekyll-sass-converter (1.5.2)
@@ -49,7 +49,7 @@ GEM
       jekyll (~> 3.3)
     jekyll-watch (2.0.0)
       listen (~> 3.0)
-    jemoji (0.10.0)
+    jemoji (0.10.1)
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (~> 3.0)
@@ -62,18 +62,18 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
-    nokogiri (1.8.2)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
+    public_suffix (3.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rouge (3.1.1)
+    rouge (3.2.1)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.6)
+    sass (3.5.7)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -96,4 +96,4 @@ DEPENDENCIES
   rouge
 
 BUNDLED WITH
-   1.14.6
+   1.16.3
diff --git a/pkgs/applications/misc/jekyll/basic/gemset.nix b/pkgs/applications/misc/jekyll/basic/gemset.nix
index a75f74119ca75b..7ab1c70a98b443 100644
--- a/pkgs/applications/misc/jekyll/basic/gemset.nix
+++ b/pkgs/applications/misc/jekyll/basic/gemset.nix
@@ -78,10 +78,10 @@
     dependencies = ["activesupport" "nokogiri"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "07m365sbabwxf4ad29ykgxrln68ma7va0hqqspv26s7yg8pdgixf";
+      sha256 = "1mpj5y13jk1arqkhdk66n49kyglmci980c1l6np7pqgyjllb68ad";
       type = "gem";
     };
-    version = "2.8.0";
+    version = "2.8.4";
   };
   "http_parser.rb" = {
     source = {
@@ -104,10 +104,10 @@
     dependencies = ["addressable" "colorator" "em-websocket" "i18n" "jekyll-sass-converter" "jekyll-watch" "kramdown" "liquid" "mercenary" "pathutil" "rouge" "safe_yaml"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1iw90wihk9dscgmppf5v6lysg3kjmnx50mjyl4gghkdb4spw97xk";
+      sha256 = "01rnf0y7wx4rzh2ag74bg37vkxbg8m4nf450lypgh4khrarr3bhw";
       type = "gem";
     };
-    version = "3.8.3";
+    version = "3.8.4";
   };
   jekyll-avatar = {
     dependencies = ["jekyll"];
@@ -122,10 +122,10 @@
     dependencies = ["html-pipeline" "jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "042z02j0chv679s8imciiy44fgxh9028q8n95w48i0xrfrhyzzfb";
+      sha256 = "0hg1rlra12im62z5yml4rlll3icz1146hkcv98mk2a96fsgniwqf";
       type = "gem";
     };
-    version = "1.4.0";
+    version = "1.4.1";
   };
   jekyll-sass-converter = {
     dependencies = ["sass"];
@@ -167,10 +167,10 @@
     dependencies = ["gemoji" "html-pipeline" "jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0r6ja4bw2c50hb585cmqscbmm27982kkskyh7gk6j0mr70jqlz25";
+      sha256 = "1yjbgawzmlcppmlhz5sdhjim6ki0vh0vh07mbyf05qa4994ckihs";
       type = "gem";
     };
-    version = "0.10.0";
+    version = "0.10.1";
   };
   kramdown = {
     source = {
@@ -225,10 +225,10 @@
     dependencies = ["mini_portile2"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "05fm3xh462glvs0rwnfmc1spmgl4ljg2giifynbmwwqvl42zaaiq";
+      sha256 = "1h9nml9h3m0mpvmh8jfnqvblnz5n5y3mmhgfc38avfmfzdrq9bgc";
       type = "gem";
     };
-    version = "1.8.2";
+    version = "1.8.4";
   };
   pathutil = {
     dependencies = ["forwardable-extended"];
@@ -242,10 +242,10 @@
   public_suffix = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1x5h1dh1i3gwc01jbg01rly2g6a1qwhynb1s8a30ic507z1nh09s";
+      sha256 = "08q64b5br692dd3v0a9wq9q5dvycc6kmiqmjbdxkxbfizggsvx6l";
       type = "gem";
     };
-    version = "3.0.2";
+    version = "3.0.3";
   };
   rb-fsevent = {
     source = {
@@ -267,10 +267,10 @@
   rouge = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1sfhy0xxqjnzqa7qxmpz1bmy0mzcr55qyvi410gsb6d6i4ialbw3";
+      sha256 = "0h79gn2wmn1wix2d27lgiaimccyj8gvizrllyym500pir408x62f";
       type = "gem";
     };
-    version = "3.1.1";
+    version = "3.2.1";
   };
   ruby_dep = {
     source = {
@@ -292,10 +292,10 @@
     dependencies = ["sass-listen"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "19wyzp9qsg8hdkkxlsv713w0qmy66qrdp0shj42587ssx4qhrlag";
+      sha256 = "1sy7xsbgpcy90j5ynbq967yplffp74pvph3r8ivn2sv2b44q6i61";
       type = "gem";
     };
-    version = "3.5.6";
+    version = "3.5.7";
   };
   sass-listen = {
     dependencies = ["rb-fsevent" "rb-inotify"];
diff --git a/pkgs/applications/misc/jekyll/full/Gemfile.lock b/pkgs/applications/misc/jekyll/full/Gemfile.lock
index 0689bad5980627..01e4f368223c73 100644
--- a/pkgs/applications/misc/jekyll/full/Gemfile.lock
+++ b/pkgs/applications/misc/jekyll/full/Gemfile.lock
@@ -22,19 +22,19 @@ GEM
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    faraday (0.15.2)
+    faraday (0.15.3)
       multipart-post (>= 1.2, < 3)
     fast-stemmer (1.0.2)
     ffi (1.9.25)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    html-pipeline (2.8.0)
+    html-pipeline (2.8.4)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.3)
+    jekyll (3.8.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -52,15 +52,15 @@ GEM
     jekyll-coffeescript (1.1.1)
       coffee-script (~> 2.2)
       coffee-script-source (~> 1.11.1)
-    jekyll-feed (0.10.0)
+    jekyll-feed (0.11.0)
       jekyll (~> 3.3)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
-    jekyll-mentions (1.4.0)
+    jekyll-mentions (1.4.1)
       html-pipeline (~> 2.3)
       jekyll (~> 3.0)
     jekyll-paginate (1.1.0)
-    jekyll-redirect-from (0.13.0)
+    jekyll-redirect-from (0.14.0)
       jekyll (~> 3.3)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
@@ -70,7 +70,7 @@ GEM
       jekyll (~> 3.3)
     jekyll-watch (2.0.0)
       listen (~> 3.0)
-    jemoji (0.10.0)
+    jemoji (0.10.1)
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (~> 3.0)
@@ -83,20 +83,20 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mime-types (3.1)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    nokogiri (1.8.2)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
-    octokit (4.9.0)
+    octokit (4.12.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
+    public_suffix (3.0.3)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
     rb-fsevent (0.10.3)
@@ -105,10 +105,10 @@ GEM
     rdiscount (2.2.0.1)
     rdoc (6.0.4)
     redcarpet (3.4.0)
-    rouge (3.1.1)
+    rouge (3.2.1)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.6)
+    sass (3.5.7)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -117,7 +117,7 @@ GEM
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
     thread_safe (0.3.6)
-    tomlrb (1.2.6)
+    tomlrb (1.2.7)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     yajl-ruby (1.3.1)
@@ -152,4 +152,4 @@ DEPENDENCIES
   yajl-ruby (~> 1.3.1)
 
 BUNDLED WITH
-   1.14.6
+   1.16.3
diff --git a/pkgs/applications/misc/jekyll/full/gemset.nix b/pkgs/applications/misc/jekyll/full/gemset.nix
index e5eb6d62a706bd..3e92d3f28a01b7 100644
--- a/pkgs/applications/misc/jekyll/full/gemset.nix
+++ b/pkgs/applications/misc/jekyll/full/gemset.nix
@@ -96,10 +96,10 @@
     dependencies = ["multipart-post"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "14lg0c4bphk16rccc5jmaan6nfcvmy0caiahpc61f9zfwpsj7ymg";
+      sha256 = "16hwxc8v0z6gkanckjhx0ffgqmzpc4ywz4dfhxpjlz2mbz8d5m52";
       type = "gem";
     };
-    version = "0.15.2";
+    version = "0.15.3";
   };
   fast-stemmer = {
     source = {
@@ -137,10 +137,10 @@
     dependencies = ["activesupport" "nokogiri"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "07m365sbabwxf4ad29ykgxrln68ma7va0hqqspv26s7yg8pdgixf";
+      sha256 = "1mpj5y13jk1arqkhdk66n49kyglmci980c1l6np7pqgyjllb68ad";
       type = "gem";
     };
-    version = "2.8.0";
+    version = "2.8.4";
   };
   "http_parser.rb" = {
     source = {
@@ -163,10 +163,10 @@
     dependencies = ["addressable" "colorator" "em-websocket" "i18n" "jekyll-sass-converter" "jekyll-watch" "kramdown" "liquid" "mercenary" "pathutil" "rouge" "safe_yaml"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1iw90wihk9dscgmppf5v6lysg3kjmnx50mjyl4gghkdb4spw97xk";
+      sha256 = "01rnf0y7wx4rzh2ag74bg37vkxbg8m4nf450lypgh4khrarr3bhw";
       type = "gem";
     };
-    version = "3.8.3";
+    version = "3.8.4";
   };
   jekyll-avatar = {
     dependencies = ["jekyll"];
@@ -190,10 +190,10 @@
     dependencies = ["jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0l5w2bd6dsjnc623qjw5h06n0wslh32rqkkjlkymga24cplbln8j";
+      sha256 = "11mlqqbkmddnyh8xfjv5k6v7c73bbi92w7vw4x1c9xvggxrjzicp";
       type = "gem";
     };
-    version = "0.10.0";
+    version = "0.11.0";
   };
   jekyll-gist = {
     dependencies = ["octokit"];
@@ -208,10 +208,10 @@
     dependencies = ["html-pipeline" "jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "042z02j0chv679s8imciiy44fgxh9028q8n95w48i0xrfrhyzzfb";
+      sha256 = "0hg1rlra12im62z5yml4rlll3icz1146hkcv98mk2a96fsgniwqf";
       type = "gem";
     };
-    version = "1.4.0";
+    version = "1.4.1";
   };
   jekyll-paginate = {
     source = {
@@ -225,10 +225,10 @@
     dependencies = ["jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1crm5xqgv5asbbbaxfgky4ppib5rih59yzpa3yc94gh8b9cjixrj";
+      sha256 = "08xfd7fvqcq6skybxsn4d60rqn4ws2y9hkhl71wz9zrc55xhgxa4";
       type = "gem";
     };
-    version = "0.13.0";
+    version = "0.14.0";
   };
   jekyll-sass-converter = {
     dependencies = ["sass"];
@@ -270,10 +270,10 @@
     dependencies = ["gemoji" "html-pipeline" "jekyll"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0r6ja4bw2c50hb585cmqscbmm27982kkskyh7gk6j0mr70jqlz25";
+      sha256 = "1yjbgawzmlcppmlhz5sdhjim6ki0vh0vh07mbyf05qa4994ckihs";
       type = "gem";
     };
-    version = "0.10.0";
+    version = "0.10.1";
   };
   kramdown = {
     source = {
@@ -321,18 +321,18 @@
     dependencies = ["mime-types-data"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0087z9kbnlqhci7fxh9f6il63hj1k02icq2rs0c6cppmqchr753m";
+      sha256 = "0fjxy1jm52ixpnv3vg9ld9pr9f35gy0jp66i1njhqjvmnvq0iwwk";
       type = "gem";
     };
-    version = "3.1";
+    version = "3.2.2";
   };
   mime-types-data = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "04my3746hwa4yvbx1ranhfaqkgf6vavi1kyijjnw8w3dy37vqhkm";
+      sha256 = "07wvp0aw2gjm4njibb70as6rh5hi1zzri5vky1q6jx95h8l56idc";
       type = "gem";
     };
-    version = "3.2016.0521";
+    version = "3.2018.0812";
   };
   mini_portile2 = {
     source = {
@@ -370,19 +370,19 @@
     dependencies = ["mini_portile2"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "05fm3xh462glvs0rwnfmc1spmgl4ljg2giifynbmwwqvl42zaaiq";
+      sha256 = "1h9nml9h3m0mpvmh8jfnqvblnz5n5y3mmhgfc38avfmfzdrq9bgc";
       type = "gem";
     };
-    version = "1.8.2";
+    version = "1.8.4";
   };
   octokit = {
     dependencies = ["sawyer"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1ssn5iyax07a22mvmj0y45bfy8ali129bl1qmasp6bcg03bvk298";
+      sha256 = "1lki5vlsiijdmhaqdvr29zmcyvrlmkgi0x92hgan2194l2ikfjlh";
       type = "gem";
     };
-    version = "4.9.0";
+    version = "4.12.0";
   };
   pathutil = {
     dependencies = ["forwardable-extended"];
@@ -396,10 +396,10 @@
   public_suffix = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1x5h1dh1i3gwc01jbg01rly2g6a1qwhynb1s8a30ic507z1nh09s";
+      sha256 = "08q64b5br692dd3v0a9wq9q5dvycc6kmiqmjbdxkxbfizggsvx6l";
       type = "gem";
     };
-    version = "3.0.2";
+    version = "3.0.3";
   };
   "pygments.rb" = {
     dependencies = ["multi_json"];
@@ -454,10 +454,10 @@
   rouge = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1sfhy0xxqjnzqa7qxmpz1bmy0mzcr55qyvi410gsb6d6i4ialbw3";
+      sha256 = "0h79gn2wmn1wix2d27lgiaimccyj8gvizrllyym500pir408x62f";
       type = "gem";
     };
-    version = "3.1.1";
+    version = "3.2.1";
   };
   ruby_dep = {
     source = {
@@ -479,10 +479,10 @@
     dependencies = ["sass-listen"];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "19wyzp9qsg8hdkkxlsv713w0qmy66qrdp0shj42587ssx4qhrlag";
+      sha256 = "1sy7xsbgpcy90j5ynbq967yplffp74pvph3r8ivn2sv2b44q6i61";
       type = "gem";
     };
-    version = "3.5.6";
+    version = "3.5.7";
   };
   sass-listen = {
     dependencies = ["rb-fsevent" "rb-inotify"];
@@ -513,10 +513,10 @@
   tomlrb = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "09gh67v8s1pr7c37490sjp782gi4wf9k9cadp4l926h1sp27bcgz";
+      sha256 = "1x3bg9mmma1gsl5j5kc9m8m77w6qwcq6ix2d0kwi5rcwpr7siyx6";
       type = "gem";
     };
-    version = "1.2.6";
+    version = "1.2.7";
   };
   tzinfo = {
     dependencies = ["thread_safe"];