diff --git a/pkgs/development/libraries/haskell/pandoc/default.nix b/pkgs/development/libraries/haskell/pandoc/default.nix
index d6358708a3e..04738c0c00e 100644
--- a/pkgs/development/libraries/haskell/pandoc/default.nix
+++ b/pkgs/development/libraries/haskell/pandoc/default.nix
@@ -10,8 +10,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pandoc";
-  version = "1.12.4";
-  sha256 = "0dpvp630a5z7wp5a7q9f2i98vhv3c4m2acsb3qmw5ybs1awi3yry";
+  version = "1.12.4.2";
+  sha256 = "0ibzladj0xm0xnsphd26lzndxzkawz73pfd7rnlnmllqckrzairg";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [