diff --git a/entrypoint.sh b/entrypoint.sh
index 49eb73a..4353771 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,6 +1,10 @@
 #!/bin/bash
 set -e
 
+# When not limiting the open file descritors limit, the memory consumption of
+# slapd is absurdly high. See https://github.com/docker/docker/issues/8231
+ulimit -n 8192
+
 chown -R openldap:openldap /var/lib/ldap/
 
 if [[ ! -d /etc/ldap/slapd.d ]]; then