diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index 8abc173..b259c01 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -12,7 +12,7 @@ ENV PHP_VERSION=8.0.29
 
 # EOL: 2024-11-25
 # renovate: datasource=docker depName=php versioning=docker
-ENV PHP_VERSION=8.1.21
+ENV PHP_VERSION=8.1.22
 
 # EOL: 2025-12-08
 # renovate: datasource=docker depName=php versioning=docker