diff --git a/pkgs/development/libraries/libtasn1/default.nix b/pkgs/development/libraries/libtasn1/default.nix
index a0b9cebef4d7630..e77ac06d61d97cb 100644
--- a/pkgs/development/libraries/libtasn1/default.nix
+++ b/pkgs/development/libraries/libtasn1/default.nix
@@ -1,7 +1,6 @@
 { lib
 , stdenv
 , fetchurl
-, fetchpatch
 , perl
 , texinfo
 
@@ -20,14 +19,6 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-FhPwrBz0hNbsDOO4wG1WJjzHJC8cI7MNgtI940WmP3o=";
   };
 
-  # Patch borrowed from alpine to work around a specific test failure with musl libc
-  # Upstream is patching this test in their own CI because that CI is using alpine and thus musl
-  # https://github.com/gnutls/libtasn1/commit/06e7433c4e587e2ba6df521264138585a63d07c7#diff-037ea159eb0a7cb0ac23b851e66bee30fb838ee8d0d99fa331a1ba65283d37f7R293
-  patches = lib.optional stdenv.hostPlatform.isMusl (fetchpatch {
-    url = "https://git.alpinelinux.org/aports/plain/main/libtasn1/failed-test.patch?id=aaed9995acc1511d54d5d93e1ea3776caf4aa488";
-    sha256 = "sha256-GTfwqEelEsGtLEcBwGRfBZZz1vKXRfWXtMx/409YqX8=";
-  });
-
   outputs = [ "out" "dev" "devdoc" ];
   outputBin = "dev";
 
diff --git a/pkgs/os-specific/linux/musl/default.nix b/pkgs/os-specific/linux/musl/default.nix
index 9f7867065ea89c9..2a210408c81f26d 100644
--- a/pkgs/os-specific/linux/musl/default.nix
+++ b/pkgs/os-specific/linux/musl/default.nix
@@ -44,11 +44,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "musl";
-  version = "1.2.3";
+  version = "1.2.5";
 
   src = fetchurl {
     url    = "https://musl.libc.org/releases/${pname}-${version}.tar.gz";
-    sha256 = "sha256-fVsLYGJSHkYn4JnkydyCSNMqMChelZt+7Kp4DPjP1KQ=";
+    sha256 = "qaEYu+hNh2TaDqDSizqz+uhHf8fkCF2QECuFlvx8deQ=";
   };
 
   enableParallelBuilding = true;
@@ -71,12 +71,6 @@ stdenv.mkDerivation rec {
       url = "https://raw.githubusercontent.com/openwrt/openwrt/87606e25afac6776d1bbc67ed284434ec5a832b4/toolchain/musl/patches/300-relative.patch";
       sha256 = "0hfadrycb60sm6hb6by4ycgaqc9sgrhh42k39v8xpmcvdzxrsq2n";
     })
-
-    # fix parsing lines with optional fields in fstab etc. NOTE: Remove for the next release since it has been merged upstream
-    (fetchurl {
-      url = "https://git.musl-libc.org/cgit/musl/patch/?id=751bee0ee727e8d8b003c87cff77ac76f1dbecd6";
-      sha256 = "sha256-qCw132TCSaZrkISmtDb8Q8ufyt8sAJdwACkvfwuoi/0=";
-    })
   ];
   CFLAGS = [ "-fstack-protector-strong" ]
     ++ lib.optional stdenv.hostPlatform.isPower "-mlong-double-64";