diff --git a/2.1/alpine/Dockerfile b/2.1/alpine/Dockerfile
index 32b502167..b4f754f20 100644
--- a/2.1/alpine/Dockerfile
+++ b/2.1/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/2.2/alpine/Dockerfile b/2.2/alpine/Dockerfile
index 3dfbb0953..fd1139b7e 100644
--- a/2.2/alpine/Dockerfile
+++ b/2.2/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/2.3/alpine/Dockerfile b/2.3/alpine/Dockerfile
index a03935847..2f2285dca 100644
--- a/2.3/alpine/Dockerfile
+++ b/2.3/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index e6cdc1fa6..f90aa8766 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # skip installing gem documentation
 RUN mkdir -p /usr/local/etc \