diff --git a/9.2/alpine/Dockerfile b/9.2/alpine/Dockerfile
index 1b06bdfbf9..dc27ac2f9e 100644
--- a/9.2/alpine/Dockerfile
+++ b/9.2/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/9.3/alpine/Dockerfile b/9.3/alpine/Dockerfile
index 900d3ebd8c..3718e7316f 100644
--- a/9.3/alpine/Dockerfile
+++ b/9.3/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/9.4/alpine/Dockerfile b/9.4/alpine/Dockerfile
index f763a6aca2..2349b4aeac 100644
--- a/9.4/alpine/Dockerfile
+++ b/9.4/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/9.5/alpine/Dockerfile b/9.5/alpine/Dockerfile
index 7e25990c96..18903bfc5e 100644
--- a/9.5/alpine/Dockerfile
+++ b/9.5/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/9.6/alpine/Dockerfile b/9.6/alpine/Dockerfile
index d41e9b186a..b35f477613 100644
--- a/9.6/alpine/Dockerfile
+++ b/9.6/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 505fee7006..293184944d 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.4
+FROM alpine:3.5
 
 # alpine includes "postgres" user/group in base install
 # /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh