diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index a84fc7f..a7a79e5 100644
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -9,12 +9,18 @@ jobs:
   deploy:
     runs-on: cth-ubuntu-latest
     steps:
+    - uses: actions/checkout@v4
+    - name: Read .ruby-version file
+      id: ruby
+      run: echo "version=$(cat .ruby-version)" >> $GITHUB_OUTPUT
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Push image
       uses: docker/build-push-action@v6
       with:
         push: true
+        build-args: |
+          RUBY_VERSION=${{ steps.ruby.outputs.version }}
         tags: |
           docker.atomaka.com/budget:latest
           docker.atomaka.com/budget:${{gitea.sha}}
diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
index 5e2b75a..e7754fc 100644
--- a/.gitea/workflows/test.yaml
+++ b/.gitea/workflows/test.yaml
@@ -7,10 +7,8 @@ jobs:
   test:
     runs-on: cth-ubuntu-latest
     steps:
-    - uses: https://github.com/ruby/setup-ruby@v1
-      with:
-        ruby-version: 3.3.5
     - uses: actions/checkout@v4
+    - uses: https://github.com/ruby/setup-ruby@217c988b8c2bf2bacb2d5c78a7e7b18f8c34daed
     - uses: actions/cache@v4
       with:
         path: vendor/bundle
diff --git a/.ruby-version b/.ruby-version
index fa7adc7..9c25013 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.5
+3.3.6
diff --git a/Dockerfile b/Dockerfile
index 0639c80..4687452 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@
 # For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.3.1
+ARG RUBY_VERSION=3.3.6
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
diff --git a/Gemfile.lock b/Gemfile.lock
index 91b4eac..50e5c7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -309,6 +309,7 @@ GEM
 PLATFORMS
   aarch64-linux
   arm64-darwin-23
+  arm64-darwin-24
   x86_64-linux
 
 DEPENDENCIES
@@ -334,4 +335,4 @@ DEPENDENCIES
   web-console
 
 BUNDLED WITH
-   2.5.18
+   2.5.23