diff --git a/pkgs/development/compilers/ats2/default.nix b/pkgs/development/compilers/ats2/default.nix
index 8c71138ab78..c66143fe1f3 100644
--- a/pkgs/development/compilers/ats2/default.nix
+++ b/pkgs/development/compilers/ats2/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name    = "ats2-${version}";
-  version = "0.1.0";
+  version = "0.1.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/ats2-lang/ATS2-Postiats-${version}.tgz";
-    sha256 = "0i7b9v7xki9j2jjjpydz0gl33af94b4jjmk75b9w20bs003v8vd4";
+    sha256 = "17yr5zc4cr4zlizhzy43ihfcidl63wjxcc002amzahskib4fsbmb";
   };
 
   buildInputs = [ gmp ];