diff --git a/pkgs/development/python-modules/optax/default.nix b/pkgs/development/python-modules/optax/default.nix
index b04c1549b4e1..5c48d1a290e4 100644
--- a/pkgs/development/python-modules/optax/default.nix
+++ b/pkgs/development/python-modules/optax/default.nix
@@ -10,13 +10,13 @@
 
 buildPythonPackage rec {
   pname = "optax";
-  version = "0.1.3";
+  version = "0.1.4";
 
   src = fetchFromGitHub {
     owner = "deepmind";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-XAYztMBQpLBHNuNED/iodbwIMJSN/0GxdmTGQ5jD9Ws=";
+    hash = "sha256-BvmRFA1KNS7F6kozH9LMG8v4XJY/T2DwKgf9IIY2shE=";
   };
 
   outputs = [