diff --git a/pkgs/development/python-modules/rsa/default.nix b/pkgs/development/python-modules/rsa/default.nix
index 459ca0437968..76b4582787a9 100644
--- a/pkgs/development/python-modules/rsa/default.nix
+++ b/pkgs/development/python-modules/rsa/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "rsa";
-  version = "4.0";
+  version = "4.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1a836406405730121ae9823e19c6e806c62bbad73f890574fff50efa4122c487";
+    sha256 = "6fa6a54eb72bfc0abca7f27880b978b14a643ba2a6ad9f4a56a95be82129ca1b";
   };
 
   checkInputs = [ unittest2 mock ];