diff --git a/21/fpm-alpine/Dockerfile b/21/fpm-alpine/Dockerfile
index 7e52dd25..42d92d35 100644
--- a/21/fpm-alpine/Dockerfile
+++ b/21/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.4-fpm-alpine3.14
+FROM php:7.4-fpm-alpine3.15
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/22/fpm-alpine/Dockerfile b/22/fpm-alpine/Dockerfile
index 0b0efcd0..7a8596b5 100644
--- a/22/fpm-alpine/Dockerfile
+++ b/22/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:8.0-fpm-alpine3.14
+FROM php:8.0-fpm-alpine3.15
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/23/fpm-alpine/Dockerfile b/23/fpm-alpine/Dockerfile
index 56d42121..714a1887 100644
--- a/23/fpm-alpine/Dockerfile
+++ b/23/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:8.0-fpm-alpine3.14
+FROM php:8.0-fpm-alpine3.15
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \