diff --git a/1.5/alpine/Dockerfile b/1.5/alpine/Dockerfile
index a359f02b..e93068cd 100644
--- a/1.5/alpine/Dockerfile
+++ b/1.5/alpine/Dockerfile
@@ -1,5 +1,7 @@
 FROM alpine:3.4
 
+RUN apk add --no-cache ca-certificates
+
 ENV GOLANG_VERSION 1.5.4
 ENV GOLANG_SRC_URL https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz
 ENV GOLANG_SRC_SHA256 002acabce7ddc140d0d55891f9d4fcfbdd806b9332fb8b110c91bc91afb0bc93
@@ -7,7 +9,6 @@ ENV GOLANG_SRC_SHA256 002acabce7ddc140d0d55891f9d4fcfbdd806b9332fb8b110c91bc91af
 RUN set -ex \
 	&& apk add --no-cache --virtual .build-deps \
 		bash \
-		ca-certificates \
 		gcc \
 		musl-dev \
 		openssl \
diff --git a/1.6/alpine/Dockerfile b/1.6/alpine/Dockerfile
index 15e7738c..360a7802 100644
--- a/1.6/alpine/Dockerfile
+++ b/1.6/alpine/Dockerfile
@@ -1,5 +1,7 @@
 FROM alpine:3.4
 
+RUN apk add --no-cache ca-certificates
+
 ENV GOLANG_VERSION 1.6.2
 ENV GOLANG_SRC_URL https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz
 ENV GOLANG_SRC_SHA256 787b0b750d037016a30c6ed05a8a70a91b2e9db4bd9b1a2453aa502a63f1bccc
@@ -10,7 +12,6 @@ COPY no-pic.patch /
 RUN set -ex \
 	&& apk add --no-cache --virtual .build-deps \
 		bash \
-		ca-certificates \
 		gcc \
 		musl-dev \
 		openssl \
diff --git a/1.7/alpine/Dockerfile b/1.7/alpine/Dockerfile
index 8be491df..80020989 100644
--- a/1.7/alpine/Dockerfile
+++ b/1.7/alpine/Dockerfile
@@ -1,5 +1,7 @@
 FROM alpine:3.4
 
+RUN apk add --no-cache ca-certificates
+
 ENV GOLANG_VERSION 1.7beta2
 ENV GOLANG_SRC_URL https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz
 ENV GOLANG_SRC_SHA256 88840e78905bdff7c8e408385182b4f77e8bdd062cac5c0c6382630588d426c7
@@ -10,7 +12,6 @@ COPY no-pic.patch /
 RUN set -ex \
 	&& apk add --no-cache --virtual .build-deps \
 		bash \
-		ca-certificates \
 		gcc \
 		musl-dev \
 		openssl \