diff --git a/service-admin/docker/app/Dockerfile b/service-admin/docker/app/Dockerfile
index b2734f05cf..23dd63ce6a 100644
--- a/service-admin/docker/app/Dockerfile
+++ b/service-admin/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2-fpm-alpine3.18
+FROM php:8.2-fpm-alpine3.20
 
 ENV OPG_PHP_POOL_CHILDREN_MAX="25"
 
diff --git a/service-api/docker/app/Dockerfile b/service-api/docker/app/Dockerfile
index 0e9ea8c40c..19e34c1a89 100644
--- a/service-api/docker/app/Dockerfile
+++ b/service-api/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2-fpm-alpine3.18
+FROM php:8.2-fpm-alpine3.20
 
 ENV OPG_PHP_POOL_CHILDREN_MAX="25"
 
diff --git a/service-front/docker/app/Dockerfile b/service-front/docker/app/Dockerfile
index 8ef2c808a0..1dc61381f5 100644
--- a/service-front/docker/app/Dockerfile
+++ b/service-front/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2-fpm-alpine3.18
+FROM php:8.2-fpm-alpine3.20
 
 ENV OPG_PHP_POOL_CHILDREN_MAX="25"