diff --git a/Dockerfile b/Dockerfile
index 8dab0a4..894cd36 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # renovate: datasource=docker depName=ghcr.io/containerbase/base
-ARG CONTAINERBASE_VERSION=13.25.20
+ARG CONTAINERBASE_VERSION=13.25.21
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} as containerbase