diff --git a/pkgs/development/libraries/libtins/default.nix b/pkgs/development/libraries/libtins/default.nix
index efd63148fb10..1af7548ac962 100644
--- a/pkgs/development/libraries/libtins/default.nix
+++ b/pkgs/development/libraries/libtins/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "libtins-${version}";
-  version = "3.5";
+  version = "4.0";
   
   src = fetchFromGitHub {
     owner = "mfontanini";
     repo = "libtins";
     rev = "v${version}";
-    sha256 = "00d1fxyg8q6djljm79ms69gcrsqxxksny3b16v99bzf3aivfss5x";
+    sha256 = "13sdqad976j7gq2k1il6g51yxwr8rlqdkzf1kj9mzhihjq8541qs";
   };
 
   postPatch = ''