diff --git a/pkgs/development/libraries/haskell/pandoc-types/default.nix b/pkgs/development/libraries/haskell/pandoc-types/default.nix
index 686c07949be7..e1e7ac54d4ca 100644
--- a/pkgs/development/libraries/haskell/pandoc-types/default.nix
+++ b/pkgs/development/libraries/haskell/pandoc-types/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "pandoc-types";
-  version = "1.12.2.2";
-  sha256 = "1ax92rxynrp42032d0i4wnv700cszm6qsvna8f9hqcfxvc2cbp36";
+  version = "1.12.2.3";
+  sha256 = "05xbpsx44sys0rkf2aqs4fcv4bg02ffhicp49jgnjyw9jiynhzzj";
   buildDepends = [ aeson syb ];
   meta = {
     homepage = "http://johnmacfarlane.net/pandoc";