diff --git a/2.1/alpine/Dockerfile b/2.1/alpine/Dockerfile
index a788f80413..a862639b72 100644
--- a/2.1/alpine/Dockerfile
+++ b/2.1/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/2.2/alpine/Dockerfile b/2.2/alpine/Dockerfile
index 965b2b0ff2..f438cb5e23 100644
--- a/2.2/alpine/Dockerfile
+++ b/2.2/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/2.3/alpine/Dockerfile b/2.3/alpine/Dockerfile
index a8e6c0e408..ab77b912b3 100644
--- a/2.3/alpine/Dockerfile
+++ b/2.3/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/2.4/alpine/Dockerfile b/2.4/alpine/Dockerfile
index d9c0ba2787..240b0c5e8f 100644
--- a/2.4/alpine/Dockerfile
+++ b/2.4/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 8880bad536..710a3cf0ed 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,4 +1,4 @@
-FROM alpine:3.4
+FROM alpine:3.5
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \