diff --git a/tests/test_git.py b/tests/test_git.py
index 1a9f43884bf450dbfd073a69e7eb644dcb4f3fab..63c5a871835296029f7e7ac8ea61f0becb0f3c17 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -216,7 +216,7 @@ def test_merge_request(fake_responses, fake_gitlab_helper_factory, mocker):
 
     fake_responses.add(
         fake_responses.PUT,
-        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge?should_remove_source_branch=True",
+        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge",
         json={
             "iid": MERGE_REQUEST_ID,
             "state": "merged",
@@ -255,7 +255,7 @@ def test_merge_request_fail(fake_responses, fake_gitlab_helper_factory, mocker):
 
     fake_responses.add(
         fake_responses.PUT,
-        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge?should_remove_source_branch=True",
+        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge",
         json={"error": "Method not allowed"},
         status=405,
     )
@@ -340,7 +340,7 @@ def test_merge_request__success_after_errors(
 
     fake_responses.add(
         fake_responses.PUT,
-        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge?should_remove_source_branch=True",
+        f"https://gitlab.com/api/v4/projects/{PROJECT_ID}/merge_requests/{MERGE_REQUEST_ID}/merge",
         json={
             "iid": MERGE_REQUEST_ID,
             "state": "merged",