diff --git a/pkgs/development/libraries/haskell/Chart-gtk/default.nix b/pkgs/development/libraries/haskell/Chart-gtk/default.nix
index 4745dda31cc..8b1ce6b89e7 100644
--- a/pkgs/development/libraries/haskell/Chart-gtk/default.nix
+++ b/pkgs/development/libraries/haskell/Chart-gtk/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "Chart-gtk";
-  version = "1.2";
-  sha256 = "0qq72cf1m2gvcksa1jj5g9qi6b47pmpzh3grhs7kh3m7qyq0a56g";
+  version = "1.2.2";
+  sha256 = "1mg6nln0jwp6hals9vhhsfqiwix424fv1v1p4h99s0xwy5cna1z9";
   buildDepends = [ cairo Chart ChartCairo colour gtk mtl time ];
   jailbreak = true;
   meta = {