diff --git a/pkgs/development/libraries/python-qt/default.nix b/pkgs/development/libraries/python-qt/default.nix
index 4f417c5e15e3..0819c77ba7b5 100644
--- a/pkgs/development/libraries/python-qt/default.nix
+++ b/pkgs/development/libraries/python-qt/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "python-qt";
-  version = "3.5.4";
+  version = "3.5.6";
 
   src = fetchFromGitHub {
     owner = "MeVisLab";
     repo = "pythonqt";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-uzOSm1Zcm5La0mDAbJko5YtxJ4WesPr9lRas+cwhNH4=";
+    hash = "sha256-+cmwTTNmy87yuHukesA+nukM2RjMTHsvIbeG7J7X8ig=";
   };
 
   nativeBuildInputs = [