diff --git a/Dockerfile b/Dockerfile
index 2874b93..9da3dc4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ ENV UID=1337 \
 RUN apk add --no-cache \
       su-exec \
       s6 \
+      ca-certificates \
       bash
 ADD root /
 EXPOSE 2015 80 443