diff --git a/docker/l2tp/Dockerfile b/docker/l2tp/Dockerfile
index ce8b1fa..b5fe34a 100644
--- a/docker/l2tp/Dockerfile
+++ b/docker/l2tp/Dockerfile
@@ -4,7 +4,7 @@
 FROM alpine:edge
 LABEL maintainer="Teddysun <i@teddysun.com>"
 
-RUN apk add -U openssl libreswan xl2tpd ppp-l2tp \
+RUN apk add -U ca-certificates openssl libreswan xl2tpd \
 	&& ipsec initnss \
 	&& rm -rf /var/cache/apk/*
 
@@ -17,4 +17,4 @@ VOLUME /lib/modules
 
 EXPOSE 500/udp 4500/udp
 
-CMD [ "l2tp" ]
\ No newline at end of file
+CMD [ "l2tp" ]