diff --git a/Dockerfile b/Dockerfile
index 69f11dd..9ff96f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:trusty
 
 RUN apt-get update &&\
     apt-get install -y git-core subversion build-essential gcc-multilib \
-                       libncurses5-dev zlib1g-dev gawk flex gettext wget unzip python &&\
+                       libncurses5-dev zlib1g-dev gawk flex gettext wget unzip python libssl-dev &&\
     apt-get clean &&\
     useradd -m openwrt &&\
     echo 'openwrt ALL=NOPASSWD: ALL' > /etc/sudoers.d/openwrt