diff --git a/pkgs/development/libraries/haskell/pandoc/default.nix b/pkgs/development/libraries/haskell/pandoc/default.nix
index b5ccc95bd3f..01ce4cc5bfb 100644
--- a/pkgs/development/libraries/haskell/pandoc/default.nix
+++ b/pkgs/development/libraries/haskell/pandoc/default.nix
@@ -9,8 +9,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pandoc";
-  version = "1.12.1";
-  sha256 = "0csyrcfdqv2mc7ngn63lan3c1dd6zy0pb24k0z1lsraqlmmw76nf";
+  version = "1.12.2.1";
+  sha256 = "1xyvhfsz0cy5f7cwpz4kl0l87vylb8860c06wvk49z9fh2xkg6lf";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [