diff --git a/rootfs/Dockerfile b/rootfs/Dockerfile
index e30d981cb..ee6b57efa 100644
--- a/rootfs/Dockerfile
+++ b/rootfs/Dockerfile
@@ -14,6 +14,8 @@
 
 FROM alpine:3.3
 
+RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
+
 ENV HOME /tmp
 
 COPY . /
diff --git a/rootfs/Dockerfile.experimental b/rootfs/Dockerfile.experimental
index 8f3bce3c0..990bcde51 100644
--- a/rootfs/Dockerfile.experimental
+++ b/rootfs/Dockerfile.experimental
@@ -14,6 +14,8 @@
 
 FROM alpine:3.3
 
+RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
+
 ENV HOME /tmp
 
 COPY tiller /tiller
diff --git a/rootfs/Dockerfile.rudder b/rootfs/Dockerfile.rudder
index 7821096c5..6bb3a2d92 100644
--- a/rootfs/Dockerfile.rudder
+++ b/rootfs/Dockerfile.rudder
@@ -14,6 +14,8 @@
 
 FROM alpine:3.3
 
+RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
+
 ENV HOME /tmp
 
 COPY rudder /rudder