diff --git a/17.0/fpm-alpine/Dockerfile b/17.0/fpm-alpine/Dockerfile
index c2645fc1..3abe0393 100644
--- a/17.0/fpm-alpine/Dockerfile
+++ b/17.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine3.11
+FROM php:7.3-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/18.0/fpm-alpine/Dockerfile b/18.0/fpm-alpine/Dockerfile
index 18de6afa..ad2491ff 100644
--- a/18.0/fpm-alpine/Dockerfile
+++ b/18.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine3.11
+FROM php:7.3-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/19.0/fpm-alpine/Dockerfile b/19.0/fpm-alpine/Dockerfile
index 9d5dac6d..8860a2d9 100644
--- a/19.0/fpm-alpine/Dockerfile
+++ b/19.0/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.4-fpm-alpine3.11
+FROM php:7.4-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 28bec67f..1beeae26 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -1,4 +1,4 @@
-FROM php:%%PHP_VERSION%%-%%VARIANT%%3.11
+FROM php:%%PHP_VERSION%%-%%VARIANT%%3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \