diff --git a/.github/workflows/update-changelog.yaml b/.github/workflows/update-changelog.yaml
index 63214c275..572d9331d 100644
--- a/.github/workflows/update-changelog.yaml
+++ b/.github/workflows/update-changelog.yaml
@@ -4,6 +4,7 @@ on:
   release:
     types:
       - published
+  workflow_dispatch:
 
 jobs:
   Changelog-Update:
@@ -27,6 +28,17 @@ jobs:
           commit_message: Update CHANGELOG
           file_pattern: CHANGELOG.md
           create_branch: true
+      # Create Pull Request
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "docs: :memo: Update CHANGELOG for ${{ github.event.release.tag_name }}"
+          title: "docs: :memo: Update CHANGELOG for ${{ github.event.release.tag_name }}"
+          body: |
+            This Pull Request was automatically created by the Changelog Updater Action.
+            It updates the CHANGELOG.md with the release notes from the latest release.
+
   Release-Documentation:
     if: ${{ contains(github.event.release.prerelease, false) }}
     name: Build Documentation from new release branch 'release/${{ github.event.release.tag_name }}'
@@ -54,6 +66,28 @@ jobs:
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
+      - name: Fetch tags
+        run: git fetch --tags --prune --unshallow
+      - name: Get previous tag
+        id: prev_tag
+        run: echo "::set-output name=prev_tag::$(git rev-list --tags --skip=1 --max-count=1)"
+      - name: Get latest tag
+        id: latest_tag
+        run: echo "::set-output name=latest_tag::$(git rev-list --tags --max-count=1)"
+      - name: Check if release is minor
+        id: is_minor
+        run: |
+          current_tag=${{ github.event.release.tag_name }}
+          prev_tag=${{ steps.prev_tag.outputs.prev_tag }}
+          latest_tag=$(git describe --tags --abbrev=0 ${{ steps.latest_tag.outputs.latest_tag }})
+          if [[ $current_tag =~ ^${latest_tag%.*}\.[0-9]+$ && $prev_tag =~ ^${latest_tag%.*}\.[0-9]+\.[0-9]+$ ]]; then
+            echo "::set-output name=is_minor::true"
+          else
+            echo "::set-output name=is_minor::false"
+          fi
+      - name: Delete previous documentation
+        if: steps.is_minor.outputs.is_minor == 'true'
+        run: poetry run mike delete --version ${{ steps.prev_tag.outputs.prev_tag }}
       - name: Deploy documentation develops
         run: |
           poetry run mike deploy --push --rebase --update-aliases ${{ github.event.release.tag_name }} latest --message "Release ${{ github.event.release.tag_name }}"