diff --git a/.github/workflows/release.yml b/.github/workflows/release-js.yml
similarity index 68%
rename from .github/workflows/release.yml
rename to .github/workflows/release-js.yml
index f7d16480..d88f118d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release-js.yml
@@ -20,37 +20,7 @@ jobs:
         run: |
           npm run lint
           npm t
-
-  publish-ruby:
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-ruby@v1
-        with:
-          ruby-version: '2.6'
-      - name: Install and test
-        run: |
-          bundle install
-          bundle exec rake
-        working-directory: ./ruby  
-      - name: Configure credentials
-        run: |
-          mkdir -p $HOME/.gem
-          touch $HOME/.gem/credentials
-          chmod 0600 $HOME/.gem/credentials
-          printf -- "---\n:rubygems_api_key: ${RUBYGEMS_API_KEY}" > $HOME/.gem/credentials
-        env:
-          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
-      - name: Build gem
-        run: |
-          bundle exec rake build
-        working-directory: ./ruby
-      - name: Publish to rubygems.org
-        run: |
-          gem push pkg/asciidoctor-kroki-${GITHUB_REF#refs/tags/v}.gem
-        working-directory: ./ruby
-  publish-js:
+  publish:
     needs: build
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/release-ruby.yml b/.github/workflows/release-ruby.yml
new file mode 100644
index 00000000..b646dcf8
--- /dev/null
+++ b/.github/workflows/release-ruby.yml
@@ -0,0 +1,59 @@
+name: Release Ruby
+
+on:
+  push:
+    tags:
+      - 'ruby-v*' # Push events to matching ruby-v*, i.e. ruby-v1.0, ruby-v2.1.3
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: '2.6'
+      - run: bundle install
+        working-directory: ./ruby
+      - run: bundle exec rake
+        working-directory: ./ruby
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: '2.6'
+      - name: Install and test
+        run: |
+          bundle install
+          bundle exec rake
+        working-directory: ./ruby
+      - name: Configure credentials
+        run: |
+          mkdir -p $HOME/.gem
+          touch $HOME/.gem/credentials
+          chmod 0600 $HOME/.gem/credentials
+          printf -- "---\n:rubygems_api_key: ${RUBYGEMS_API_KEY}" > $HOME/.gem/credentials
+        env:
+          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
+      - name: Build gem
+        run: |
+          bundle exec rake build
+        working-directory: ./ruby
+      - name: Publish to rubygems.org
+        run: |
+          gem push pkg/asciidoctor-kroki-${GITHUB_REF#refs/tags/ruby-v}.gem
+        working-directory: ./ruby
+      # create the GitHub release
+      - name: Create release
+        id: create_release
+        uses: actions/create-release@v1.0.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: false
diff --git a/RELEASE.md b/RELEASE.md
index 2fbcd9c5..cb858910 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,9 +1,16 @@
 # Release
 
-How to perform a release:
+How to perform a release.
+
+**Ruby:**
 
 1. Update the version number `s.version` in `ruby/asciidoctor-kroki.gemspec`
 2. Run `bundle exec rake` in the `ruby` directory to make sure that everything is working
 3. Commit both `asciidoctor-kroki.gemspec` and `Gemfile.lock` files
-4. Run `npm version x.y.z` at the root of the repository
+4. Create a tag starting with `ruby-v` (eg. `ruby-v1.2.3`)
 5. Push your changes with the tag: git push origin master --tags
+
+**JavaScript:**
+
+1. Run `npm version x.y.z` at the root of the repository
+2. Push your changes with the tag: git push origin master --tags