diff --git a/Dockerfile b/Dockerfile
index 192eb7f2..02abf7f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # renovate: datasource=node-version depName=node versioning=node
 ARG NODE_VERSION=24.21.0
 
-FROM ghcr.io/containerbase/base:14.20.3@sha256:3380da53817544e45f70078298a0b35e9da20088de170f358aee75154415aea6
+FROM ghcr.io/containerbase/base:14.21.0@sha256:7cd631b480d71a93adeb126890ef0823672b724df2662ba8e784284c548db177
 
 ARG NODE_VERSION