diff --git a/pkgs/development/python-modules/ax-platform/default.nix b/pkgs/development/python-modules/ax-platform/default.nix
index 6fea52b2f2d0..fd603523a1fa 100644
--- a/pkgs/development/python-modules/ax-platform/default.nix
+++ b/pkgs/development/python-modules/ax-platform/default.nix
@@ -29,14 +29,14 @@
 
 buildPythonPackage rec {
   pname = "ax-platform";
-  version = "1.2.1";
+  version = "1.2.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = "ax";
     tag = version;
-    hash = "sha256-WjJhBSj5lKt1ygrJ2QdxUxEvCrfnanLY8yWs7qy/GIY=";
+    hash = "sha256-9aZxliG7687OBhaQDG6SoN7paSfVB5prxB3KgiOod0Q=";
   };
 
   env.ALLOW_BOTORCH_LATEST = "1";
@@ -113,7 +113,7 @@ buildPythonPackage rec {
   meta = {
     description = "Platform for understanding, managing, deploying, and automating adaptive experiments";
     homepage = "https://ax.dev/";
-    changelog = "https://github.com/facebook/Ax/releases/tag/${version}";
+    changelog = "https://github.com/facebook/Ax/releases/tag/${src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ veprbl ];
   };