diff --git a/pkgs/development/python-modules/pynisher/default.nix b/pkgs/development/python-modules/pynisher/default.nix
index 8dc5d1eaa9f6..389e438daa17 100644
--- a/pkgs/development/python-modules/pynisher/default.nix
+++ b/pkgs/development/python-modules/pynisher/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "pynisher";
-  version = "1.0.0";
+  version = "1.0.5";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-5FJQCN+yO1gh7HK47MRR/SAr8Qzix3bfrjyzsakBQXA=";
+    hash = "sha256-usSowgCwGTATiX1dbPpScO9/FI+E567dvGZxAC+zS14=";
   };
 
   propagatedBuildInputs = [