[hotfix] Check out correct branch for release utils
diff --git a/.gitmodules b/.gitmodules
index 06888ff..e5d40f3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "tools/releasing/shared"]
 	path = tools/releasing/shared
 	url = https://github.com/apache/flink-connector-shared-utils
+	branch = release_utils