diff --git a/pkgs/development/libraries/haskell/smallcheck/default.nix b/pkgs/development/libraries/haskell/smallcheck/default.nix
index df2517a01ace..ef8f0e5e5ba4 100644
--- a/pkgs/development/libraries/haskell/smallcheck/default.nix
+++ b/pkgs/development/libraries/haskell/smallcheck/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "smallcheck";
-  version = "1.1";
-  sha256 = "167dhi0j4mfmf9idjcfx0x1y1jajx4qmgcpiia93vjpmv8ha56j8";
+  version = "1.1.0.1";
+  sha256 = "02yv4pa6hilxl7fwskayd5nzs4hq46k91wh04sqj4yfk2s3pgb0m";
   buildDepends = [ logict mtl ];
   meta = {
     homepage = "https://github.com/feuerbach/smallcheck";