diff --git a/Dockerfile b/Dockerfile
index f4c24733..b1373225 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # renovate: datasource=docker depName=ghcr.io/containerbase/base
-ARG CONTAINERBASE_VERSION=13.20.5
+ARG CONTAINERBASE_VERSION=13.20.6
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} as containerbase