diff --git a/pkgs/applications/science/misc/cwltool/default.nix b/pkgs/applications/science/misc/cwltool/default.nix
index 390a421c1a92..b3647e0f1b60 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 = "3.1.20220217222804";
+  version = "3.1.20220221074232";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "common-workflow-language";
     repo = pname;
     rev = version;
-    sha256 = "sha256-7zID/lChliEJxu6Dawz9DNP2YvSwtMo8G+ooXNh2Phc=";
+    sha256 = "sha256-hUdwtqYHcfyJ68LzwwCXAxr7YIkJm64brb+kA/WJqU8=";
   };
 
   postPatch = ''