diff --git a/examples/ruby/remote-attach/Dockerfile b/examples/ruby/remote-attach/Dockerfile
index 41443978d..72d9e8ed4 100644
--- a/examples/ruby/remote-attach/Dockerfile
+++ b/examples/ruby/remote-attach/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:4.0-slim@sha256:607bf92fa7ecebb4a0c6654b62cb44c48d94b36b6f5a754611ddbbe3dc5b6135
+FROM ruby:4.0-slim@sha256:58479f164d5947f852da27a4436c89bb986a811f959c40552bc7f6ccaabcc9c9
 # Ruby >= 3.1 bundles the debug gem (rdbg) — no extra install needed,
 # which keeps the slim image free of a C toolchain.