diff --git a/pkgs/development/python-modules/mockito/default.nix b/pkgs/development/python-modules/mockito/default.nix
index e9af134ba111..1c27f7bccb45 100644
--- a/pkgs/development/python-modules/mockito/default.nix
+++ b/pkgs/development/python-modules/mockito/default.nix
@@ -1,12 +1,12 @@
 { lib, buildPythonPackage, fetchPypi, isPy3k, funcsigs, pytest, numpy }:
 
 buildPythonPackage rec {
-  version = "1.3.3";
+  version = "1.3.4";
   pname = "mockito";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-mCRTdihXcyMHNPJkmGWLHcBFrTvhNCH1CMcaXHaVe8E=";
+    sha256 = "sha256-RdJibODIxwY8xE8Gox9X1B0kHvLsm9pAMtULOedZXrE=";
   };
 
   propagatedBuildInputs = lib.optionals (!isPy3k) [ funcsigs ];