diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index c482d62..ec247cd 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -8,7 +8,7 @@ FROM scratch
 
 # EOL: 2024-11-25
 # renovate: datasource=docker depName=php versioning=docker
-ENV PHP_VERSION=8.1.27
+ENV PHP_VERSION=8.1.28
 
 # EOL: 2025-12-08
 # renovate: datasource=docker depName=php versioning=docker