diff --git a/pkgs/development/python-modules/python-axolotl-curve25519/default.nix b/pkgs/development/python-modules/python-axolotl-curve25519/default.nix
index 91def55c5e44..e372913af7df 100644
--- a/pkgs/development/python-modules/python-axolotl-curve25519/default.nix
+++ b/pkgs/development/python-modules/python-axolotl-curve25519/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "python-axolotl-curve25519";
-  version = "0.1";
+  version = "0.4.1.post2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1h1rsdr7m8lvgxwrwng7qv0xxmyc9k0q7g9nbcr6ks2ipyjzcnf5";
+    sha256 = "0705a66297ebd2f508a60dc94e22881c754301eb81db93963322f6b3bdcb63a3";
   };
 
   meta = with lib; {