diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index a1bfb44d6a2..8c4b73ad743 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,7 +1,7 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.191.1/containers/ruby/.devcontainer/base.Dockerfile
 
 # [Choice] Ruby version: 3, 3.3, 3.2, 3.1, 3.0, 2, 2.7, 2.6
-ARG VARIANT="3.3.0"
+ARG VARIANT="3.4.10"
 FROM ghcr.io/rails/devcontainer/images/ruby:${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.