diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 4f4806a..6ce3c4c 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,3 +1,3 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.2.8
-FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION
\ No newline at end of file
+ARG RUBY_VERSION=3.2.9
+FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION