diff --git a/server-ce/test/docker-compose.yml b/server-ce/test/docker-compose.yml
index 8ac6930c7f..c9023ac934 100644
--- a/server-ce/test/docker-compose.yml
+++ b/server-ce/test/docker-compose.yml
@@ -124,3 +124,10 @@ services:
   ldap:
     restart: always
     image: rroemhild/test-openldap:1.1
+    # Workaround large memory allocation (using the max-open-files-limit as socket buffer scale).
+    # REF: https://github.com/moby/moby/issues/8231#issuecomment-63877553
+    # REF: https://github.com/moby/moby/issues/8231#issuecomment-63871343
+    command:
+      - 'bash'
+      - '-c'
+      - 'ulimit -n 1024 && exec bash /run.sh'