diff --git a/.forgejo/workflows/testing.yml b/.forgejo/workflows/testing.yml
index 5e61a8b7b7..d8a6a97498 100644
--- a/.forgejo/workflows/testing.yml
+++ b/.forgejo/workflows/testing.yml
@@ -233,6 +233,7 @@ jobs:
         options: --tmpfs /bitnami/minio/data
       ldap:
         image: data.forgejo.org/oci/forgejo-test-openldap:1
+        options: --memory 500M
       pgsql:
         image: data.forgejo.org/oci/bitnami/postgresql:16
         env: