diff --git a/docker/Dockerfile.base b/docker/Dockerfile.base
index 1e43e546..9f102cb3 100644
--- a/docker/Dockerfile.base
+++ b/docker/Dockerfile.base
@@ -7,7 +7,7 @@
 #
 
 # See https://hub.docker.com/_/ruby
-FROM docker.io/library/ruby:4.0-slim@sha256:58479f164d5947f852da27a4436c89bb986a811f959c40552bc7f6ccaabcc9c9
+FROM docker.io/library/ruby:4.0-slim@sha256:815184398ba6e53baf80faf8b9338789b6c66823e2324fa9cf73cd0332195cd1
 
 # The values will be passed in with --build-arg
 ARG USER_ID