diff --git a/services/web/docker-compose.ci.yml b/services/web/docker-compose.ci.yml
index fc20b12810..2373ffa96e 100644
--- a/services/web/docker-compose.ci.yml
+++ b/services/web/docker-compose.ci.yml
@@ -79,6 +79,13 @@ 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'
 
   saml:
       restart: always
diff --git a/services/web/docker-compose.yml b/services/web/docker-compose.yml
index b6e9d7709b..2b0c7aa286 100644
--- a/services/web/docker-compose.yml
+++ b/services/web/docker-compose.yml
@@ -83,6 +83,13 @@ 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'
 
   saml:
       restart: always