diff --git a/pkgs/development/python-modules/pyvcd/default.nix b/pkgs/development/python-modules/pyvcd/default.nix
index 3904923d53b4..e37c7989dc29 100644
--- a/pkgs/development/python-modules/pyvcd/default.nix
+++ b/pkgs/development/python-modules/pyvcd/default.nix
@@ -9,14 +9,14 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.4.0";
+  version = "0.4.1";
   format = "setuptools";
   pname = "pyvcd";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-Mb4/UBRBqbjF3HJmD/e5z++bQ7ISGiPZb1htKGMnApA=";
+    hash = "sha256-3GJ16Vp5SbgjYIarLm0Dr+3nNEEkPsUQnJ6okHfz1pY=";
   };
 
   buildInputs = [ setuptools-scm ];