diff --git a/.forgejo/workflows/release.yaml b/.forgejo/workflows/release.yaml
index 835fdfa..cb5e54e 100644
--- a/.forgejo/workflows/release.yaml
+++ b/.forgejo/workflows/release.yaml
@@ -23,6 +23,7 @@ jobs:
           apt update
           apt install -y zip
           mkdir -p /root/.jreleaser
+          mkdir -p /root/.m2
           touch /root/.jreleaser/config.properties
 
       - name: maven-settings-xml-action
@@ -97,7 +98,7 @@ jobs:
             [
               "org.sonarsource.scanner.maven"
             ]
-          output_file: .m2/settings.xml
+          output_file: /root/.m2/settings.xml
 
       - name: Determine next version
         uses: https://github.com/obfu5c8/action-svu@v1
@@ -128,9 +129,9 @@ jobs:
         uses: https://github.com/actions/cache@v4
         with:
           path: ~/.sdkman
-          key: ${{ runner.os }}-sdkman
+          key: ${{ runner.os }}-sdkman-${{ hashFiles('**/.sdkmanrc') }}
           restore-keys: |
-            ${{ runner.os }}-sdkman
+            ${{ runner.os }}-sdkman-
         env:
           ACTIONS_STEP_DEBUG: true
 
@@ -138,9 +139,9 @@ jobs:
         uses: https://github.com/actions/cache@v4
         with:
           path: ~/.m2/repository
-          key: ${{ runner.os }}-maven
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
-            ${{ runner.os }}-maven
+            ${{ runner.os }}-maven-
         env:
           ACTIONS_STEP_DEBUG: true
 
@@ -155,8 +156,6 @@ jobs:
           MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
         run: |
           export GPG_TTY=$(tty)
-          git config user.name "${{ github.event.head_commit.committer.name }}"
-          git config user.email "${{ github.event.head_commit.committer.email }}"
           mvn -B --file pom.xml versions:set -DnewVersion=${{ env.NEW_VERSION }}
 
       - name: Run JReleaser (Changelog)
@@ -173,13 +172,30 @@ jobs:
           JRELEASER_GPG_PUBLIC_KEY: ${{ secrets.GPG_PUBLIC_KEY }}
           JRELEASER_GPG_SECRET_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
 
+      - name: Import GPG key
+        id: import-gpg
+        uses: https://github.com/crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.RELEASEBOT_PRIVATE_KEY }}
+          passphrase: ${{ secrets.RELEASEBOT_PASSPHRASE }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+
+      - name: GPG user IDs
+        run: |
+          echo "fingerprint: ${{ steps.import-gpg.outputs.fingerprint }}"
+          echo "keyid:       ${{ steps.import-gpg.outputs.keyid }}"
+          echo "name:        ${{ steps.import-gpg.outputs.name }}"
+          echo "email:       ${{ steps.import-gpg.outputs.email }}"
+
       - name: Commit and push changes
         run: |
-          git config user.name "${{ github.event.head_commit.committer.name }}"
-          git config user.email "${{ github.event.head_commit.committer.email }}"
+          git config --global user.email "${{ steps.import-gpg.outputs.email }}"
+          git config --global user.name "${{ steps.import-gpg.outputs.name }}"
           git add pom.xml CHANGELOG.md
-          git commit -a -m "Release ${{ env.NEW_VERSION }}"
+          git commit -S -m "Release ${{ env.NEW_VERSION }}"
           git push
+
       - name: Build package and populate staging area for deployment
         run: |
           mvn -B --file pom.xml package
diff --git a/.forgejo/workflows/sonarqube.yaml b/.forgejo/workflows/sonarqube.yaml
index 33c9019..95aab7a 100644
--- a/.forgejo/workflows/sonarqube.yaml
+++ b/.forgejo/workflows/sonarqube.yaml
@@ -21,6 +21,7 @@ jobs:
           apt update
           apt install -y zip
           mkdir -p /root/.jreleaser
+          mkdir -p /root/.m2
           touch /root/.jreleaser/config.properties
 
       - name: Install syft
@@ -101,15 +102,15 @@ jobs:
             [
               "org.sonarsource.scanner.maven"
             ]
-          output_file: .m2/settings.xml
+          output_file: /root/.m2/settings.xml
 
       - name: Cache Java and Maven software
         uses: https://github.com/actions/cache@v4
         with:
           path: ~/.sdkman
-          key: ${{ runner.os }}-sdkman
+          key: ${{ runner.os }}-sdkman-${{ hashFiles('**/.sdkmanrc') }}
           restore-keys: |
-            ${{ runner.os }}-sdkman
+            ${{ runner.os }}-sdkman-
         env:
           ACTIONS_STEP_DEBUG: true
 
@@ -124,9 +125,9 @@ jobs:
         uses: https://github.com/actions/cache@v4
         with:
           path: ~/.m2/repository
-          key: ${{ runner.os }}-maven
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
-            ${{ runner.os }}-maven
+            ${{ runner.os }}-maven-
         env:
           ACTIONS_STEP_DEBUG: true