diff --git a/pkgs/development/python-modules/ed25519/default.nix b/pkgs/development/python-modules/ed25519/default.nix
index b1026e8d446a..cd3c98e9cce0 100644
--- a/pkgs/development/python-modules/ed25519/default.nix
+++ b/pkgs/development/python-modules/ed25519/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "ed25519";
-  version = "1.4";
+  version = "1.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0ahx1nkxa0xis3cw0h5c4fpgv8mq4znkq7kajly33lc3317bk499";
+    sha256 = "0n1k83ww0pr4q6z0h7p8hvy21hcgb96jvgllfbwhvvyf37h3w182";
   };
 
   meta = with stdenv.lib; {