diff --git a/‎gitlab/v4/objects/merge_requests.py‎
Lines changed: 4 additions & 1 deletion b/‎gitlab/v4/objects/merge_requests.py‎
Lines changed: 4 additions & 1 deletion
@@ -350,8 +350,11 @@ def merge_ref(self, **kwargs: Any) -> Union[Dict[str, Any], requests.Response]:
         (),
         (
             "merge_commit_message",
-            "should_remove_source_branch",
             "merge_when_pipeline_succeeds",
+            "sha",
+            "should_remove_source_branch",
+            "squash_commit_message",
+            "squash",
         ),
     )
     @exc.on_http_error(exc.GitlabMRClosedError)
Original file line number	Diff line number	Diff line change
@@ -350,8 +350,11 @@ def merge_ref(self, **kwargs: Any) -> Union[Dict[str, Any], requests.Response]:
350	350	(),
351	351	(
352	352	"merge_commit_message",
353		- "should_remove_source_branch",
354	353	"merge_when_pipeline_succeeds",
	354	+ "sha",
	355	+ "should_remove_source_branch",
	356	+ "squash_commit_message",
	357	+ "squash",
355	358	),
356	359	)
357	360	@exc.on_http_error(exc.GitlabMRClosedError)