diff --git a/pkgs/development/libraries/haskell/yst/default.nix b/pkgs/development/libraries/haskell/yst/default.nix
index 5087bfce12cf..d194b1970c8d 100644
--- a/pkgs/development/libraries/haskell/yst/default.nix
+++ b/pkgs/development/libraries/haskell/yst/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yst";
-  version = "0.3.1";
-  sha256 = "1ax3j21b4ac9x4vvvfgnhz0sczd7l7ia6mcxnqhbc3166sn91vig";
+  version = "0.3.1.1";
+  sha256 = "1wc2s5aan4rqdrpqgqvka5pqm3d691si5hdf0m0wpi2hzkwl3qv3";
   isLibrary = false;
   isExecutable = true;
   buildDepends = [