diff --git a/pkgs/applications/science/misc/cwltool/default.nix b/pkgs/applications/science/misc/cwltool/default.nix
index 190ba1af23c1..be90b33cbaa8 100644
--- a/pkgs/applications/science/misc/cwltool/default.nix
+++ b/pkgs/applications/science/misc/cwltool/default.nix
@@ -7,14 +7,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "cwltool";
-  version = "3.1.20220124184855";
+  version = "3.1.20220202173120";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "common-workflow-language";
     repo = pname;
     rev = version;
-    sha256 = "0b0mxminfijbi3d9sslhwhs8awnagdsx8d2wh9x9ipdpwipihpmb";
+    sha256 = "sha256-TC0jSnjQTQ7HkEky8BZYJlqNn5uuPOnjGRxALcvumao=";
   };
 
   postPatch = ''