diff --git a/pkgs/development/python-modules/clize/default.nix b/pkgs/development/python-modules/clize/default.nix
index 8456f8d473b..d2eac77a14b 100644
--- a/pkgs/development/python-modules/clize/default.nix
+++ b/pkgs/development/python-modules/clize/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "clize";
-  version = "3.0";
+  version = "4.0.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1xkr3h404d7pgj5gdpg6bddv3v3yq2hgx8qlwkgw5abg218k53hm";
+    sha256 = "dbcfba5571dc30aaf90dc98fc279e2aab69d0f8f3665fc0394fbc10a87a2be60";
   };
 
   buildInputs = [ dateutil ];