diff --git a/tests/integration_tests/user_recipe_tests/test_recipe_owner.py b/tests/integration_tests/user_recipe_tests/test_recipe_owner.py
index bf7e353b231..86efde53946 100644
--- a/tests/integration_tests/user_recipe_tests/test_recipe_owner.py
+++ b/tests/integration_tests/user_recipe_tests/test_recipe_owner.py
@@ -106,7 +106,7 @@ def test_user_update_last_made(api_client: TestClient, user_tuple: list[TestUser
     response = api_client.put(api_routes.recipes + f"/{recipe_name}", json=recipe, headers=usr_1.token)
 
     # User 2 should be able to update the last made timestamp
-    last_made_json = {"timestamp": datetime.now(timezone.utc).isoformat()}
+    last_made_json = {"timestamp": datetime.now(timezone.utc).isoformat().replace("+00:00", "Z")}
     response = api_client.patch(
         api_routes.recipes_slug_last_made(recipe_name), json=last_made_json, headers=usr_2.token
     )