diff --git a/docs/docs.Dockerfile b/docs/docs.Dockerfile
index d88089645fe..eb3edcf6d5f 100644
--- a/docs/docs.Dockerfile
+++ b/docs/docs.Dockerfile
@@ -1,5 +1,5 @@
 # Use an official Ruby runtime as a parent image.
-FROM ruby:4@sha256:5e3c937aeac53f58a84bf212f7762aecf69221af0159451845ac9b67b79ff234
+FROM ruby:4@sha256:c400c1e41e8ad2276c82529ff9fd552cdb339a84e761c9d57d2d7f582122fa6e
 
 # Set the working directory in the container.
 WORKDIR /usr/src/app