diff --git a/containers/docker/develop-alpine/Dockerfile b/containers/docker/develop-alpine/Dockerfile
index 3393c43374..a8d85bc63a 100644
--- a/containers/docker/develop-alpine/Dockerfile
+++ b/containers/docker/develop-alpine/Dockerfile
@@ -1,7 +1,7 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 RUN \
-  apk add --update go git make gcc musl-dev && \
+  apk add --update go git make gcc musl-dev ca-certificates && \
   git clone --depth 1 https://github.com/ethereum/go-ethereum && \
   (cd go-ethereum && make geth) && \
   cp go-ethereum/build/bin/geth /geth && \
diff --git a/containers/docker/master-alpine/Dockerfile b/containers/docker/master-alpine/Dockerfile
index 5131c473a6..0db583a439 100644
--- a/containers/docker/master-alpine/Dockerfile
+++ b/containers/docker/master-alpine/Dockerfile
@@ -1,7 +1,7 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 RUN \
-  apk add --update go git make gcc musl-dev && \
+  apk add --update go git make gcc musl-dev ca-certificates && \
   git clone --depth 1 --branch release/1.5 https://github.com/ethereum/go-ethereum && \
   (cd go-ethereum && make geth) && \
   cp go-ethereum/build/bin/geth /geth && \