diff --git a/docs/Containerfile b/docs/Containerfile
index c5c0d7fd..37f63798 100644
--- a/docs/Containerfile
+++ b/docs/Containerfile
@@ -1,5 +1,5 @@
 # kics-scan disable=6b376af8-cfe8-49ab-a08d-f32de23661a4 - WORKDIR Path Not Absolute
-FROM docker.io/ruby:3.3.6-alpine3.20@sha256:746a1bd0ab20b91431b3a91d958e6bcd1779a6e417a9867b5d7f8df66460988e
+FROM docker.io/ruby:3.3.6-alpine3.20@sha256:f4ab7dc450e8e3f0529591212a3d7da347ed3dd52bca73ec81b08220d0826f23
 
 #
 # build arguments