diff --git a/pkgs/development/python-modules/globus-sdk/default.nix b/pkgs/development/python-modules/globus-sdk/default.nix
index 1cec30026f23..1889334ed73c 100644
--- a/pkgs/development/python-modules/globus-sdk/default.nix
+++ b/pkgs/development/python-modules/globus-sdk/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "globus-sdk";
-  version = "3.19.0";
+  version = "3.21.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "globus";
     repo = "globus-sdk-python";
     rev = "refs/tags/${version}";
-    hash = "sha256-xdzDKzlqQRBrKT/j6PWSgDu33XlVHKsHfv5AgrT6SB8=";
+    hash = "sha256-1qWjg4EfN6KDxPX2jVQ/hCI2y3yCVHTpt57cUmObkQw=";
   };
 
   propagatedBuildInputs = [