diff --git a/10/alpine/Dockerfile b/10/alpine/Dockerfile
index 8b4c993c71..406895329e 100644
--- a/10/alpine/Dockerfile
+++ b/10/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # alpine includes "postgres" user/group in base install
 #   /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index 7e9c1b88ac..4c0c17b0f6 100644
--- a/11/alpine/Dockerfile
+++ b/11/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # 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 4d3e920dad..2b6f063667 100644
--- a/9.3/alpine/Dockerfile
+++ b/9.3/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # 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 339a039da6..546d3a69c4 100644
--- a/9.4/alpine/Dockerfile
+++ b/9.4/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # 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 566cdb1350..d08677b8a4 100644
--- a/9.5/alpine/Dockerfile
+++ b/9.5/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # 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 41af937f18..3a55a580cf 100644
--- a/9.6/alpine/Dockerfile
+++ b/9.6/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.7
+FROM alpine:3.8
 
 # alpine includes "postgres" user/group in base install
 #   /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh