diff --git a/rootfs/Dockerfile b/rootfs/Dockerfile
index df16f15d7ffa6b8b774a041e5749d8776120ed62..53757cd8d5eb301c46b2697d611351333ad8beb1 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 tiller /tiller
diff --git a/rootfs/Dockerfile.experimental b/rootfs/Dockerfile.experimental
index 8f3bce3c02e40907dd134b6a6dfb1889914949ce..990bcde516c73012e5d2f96a910bf2f4ad05cfb6 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 7821096c5685f346acf252177e702c5742983e95..6bb3a2d9236c5362340791624c5f29560f4adc0a 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