diff --git a/Dockerfile b/Dockerfile
index 755b5f1..b549851 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM registry.gitlab.com/thallian/docker-confd-env:master
 
-RUN apk add --no-cache dovecot dovecot-ldap libressl ssmtp
+RUN apk add --no-cache dovecot dovecot-ldap libressl ssmtp ca-certificates
 RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
     dovecot-pigeonhole-plugin-ldap
 
diff --git a/rootfs/etc/confd/templates/dovecot-ldap.conf.ext.tmpl b/rootfs/etc/confd/templates/dovecot-ldap.conf.ext.tmpl
index 0b32820..751b3ab 100644
--- a/rootfs/etc/confd/templates/dovecot-ldap.conf.ext.tmpl
+++ b/rootfs/etc/confd/templates/dovecot-ldap.conf.ext.tmpl
@@ -1,4 +1,6 @@
 uris = {{getenv "LDAP_URI"}}
+dn = {{getenv "LDAP_BIND_DN"}}
+dnpass = {{getenv "LDAP_BIND_PASSWORD"}}
 tls = {{getenv "LDAP_USE_TLS" "yes"}}
 auth_bind = yes
 base = {{getenv "LDAP_BASE_DN"}}