diff --git a/13.0/fpm-alpine/Dockerfile b/13.0/fpm-alpine/Dockerfile
index b546bf7..aa21060 100644
--- a/13.0/fpm-alpine/Dockerfile
+++ b/13.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.2-fpm-alpine3.8
+FROM php:7.2-fpm-alpine3.9
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/14.0/fpm-alpine/Dockerfile b/14.0/fpm-alpine/Dockerfile
index b8a8a25..8c62f7c 100644
--- a/14.0/fpm-alpine/Dockerfile
+++ b/14.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.2-fpm-alpine3.8
+FROM php:7.2-fpm-alpine3.9
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/15.0/fpm-alpine/Dockerfile b/15.0/fpm-alpine/Dockerfile
index 10f4ff1..0fe035f 100644
--- a/15.0/fpm-alpine/Dockerfile
+++ b/15.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.2-fpm-alpine3.8
+FROM php:7.2-fpm-alpine3.9
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 6b92d86..a92701c 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,4 +1,4 @@
-FROM php:%%PHP_VERSION%%-%%VARIANT%%3.8
+FROM php:%%PHP_VERSION%%-%%VARIANT%%3.9
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \