diff --git a/pkgs/development/python-modules/cwl-utils/default.nix b/pkgs/development/python-modules/cwl-utils/default.nix
index 2bb0a6444896..26bfd8d38f5f 100644
--- a/pkgs/development/python-modules/cwl-utils/default.nix
+++ b/pkgs/development/python-modules/cwl-utils/default.nix
@@ -19,7 +19,7 @@
 
 buildPythonPackage rec {
   pname = "cwl-utils";
-  version = "0.38";
+  version = "0.39";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -28,7 +28,7 @@ buildPythonPackage rec {
     owner = "common-workflow-language";
     repo = "cwl-utils";
     tag = "v${version}";
-    hash = "sha256-goeMlyHYiS4JLOVBFjcLSzdYrdoIZ904hJHFPGZyxKo=";
+    hash = "sha256-qmvFr+zUZxwFqC4mfdktcS4hrNhJnxvWmdSJSswJ874=";
   };
 
   build-system = [ setuptools ];