diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index a61f0adb..6569b129 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
 # Base-Image for Ruby and Node.js
-FROM ruby:3.3.4-alpine
+FROM ruby:3.4.1-alpine
 
 ENV APP_PATH=/var/app
 ENV BUNDLE_VERSION=2.5.21
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d85eadd..fb1a5bb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3.4'
+          ruby-version: '3.4.1'
           bundler-cache: true
 
       - name: Set up Node.js
diff --git a/docker/Dockerfile.prod b/docker/Dockerfile.prod
index 8e801e98..1d383cc7 100644
--- a/docker/Dockerfile.prod
+++ b/docker/Dockerfile.prod
@@ -1,4 +1,4 @@
-FROM ruby:3.3.4-alpine
+FROM ruby:3.4.1-alpine
 
 ENV APP_PATH=/var/app
 ENV BUNDLE_VERSION=2.5.21