diff --git a/pkgs/development/libraries/haskell/glib/default.nix b/pkgs/development/libraries/haskell/glib/default.nix
index 445f7122809..c60c776e60f 100644
--- a/pkgs/development/libraries/haskell/glib/default.nix
+++ b/pkgs/development/libraries/haskell/glib/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "glib";
-  version = "0.12.1";
-  sha256 = "0lsgpbd08w64npc0xsnxg8n4vj2hdnjvs55h4lhgc61p05q9gv52";
+  version = "0.12.2";
+  sha256 = "0p1d6j23yf30824q5gn7pw7s47hs4rnaqs69d2hn2pnzpc1ml3c6";
   buildTools = [ gtk2hsBuildtools ];
   extraLibraries = [ libc pkgconfig ];
   pkgconfigDepends = [ glib ];