diff --git a/Dockerfile b/Dockerfile
index ba14ea2..45409c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM alpine
 MAINTAINER Juan Luis Baptiste juan.baptiste@gmail.com
 
 RUN apk update && \
-    apk add bash gawk cyrus-sasl cyrus-sasl-plain cyrus-sasl-crammd5 mailx \
-    perl supervisor postfix rsyslog \
+    apk add bash gawk cyrus-sasl cyrus-sasl-plain cyrus-sasl-login cyrus-sasl-crammd5 mailx \
+    perl supervisor postfix rsyslog && \
     rm -rf /var/cache/apk/* && \
     mkdir -p /var/log/supervisor/ /var/run/supervisor/ && \
     sed -i -e 's/inet_interfaces = localhost/inet_interfaces = all/g' /etc/postfix/main.cf