diff --git a/.github/workflows/release_open_api.yml b/.github/workflows/release_open_api.yml
index 23ce2276f..0a745464c 100644
--- a/.github/workflows/release_open_api.yml
+++ b/.github/workflows/release_open_api.yml
@@ -13,34 +13,34 @@ jobs:
     permissions: write-all
     #if: github.event.pull_request.merged == true
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
-      with:
-        java-version: '17'
-        distribution: 'temurin'
-        cache: maven
-    - name: Check out HEAD revision
-      uses: actions/checkout@v2
-      with:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        with:
           ref: ${{ github.head_ref }}
           path: head
-    - name: Check out BASE revision
-      uses: actions/checkout@v2
-      with:
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: maven
+      - name: Check out BASE revision
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        with:
           ref: release-dev
           path: base
-    - name: Build with Maven
-      run: mvn test -Dtest=SwaggerConfigTest#swaggerSpringPlugin -DfailIfNoTests=false
-    - name: Run OpenAPI Diff (from HEAD revision)
-      uses: mvegter/openapi-diff-action@72cde50f8d3a75f770f08e23b815d5ebe69ff757
-      with:
-        head-spec: head/app/src/main/resources/swagger/api-docs.json
-        base-spec: base/app/src/main/resources/swagger/api-docs.json
-    - name: Commit api-docs
-      run: |
-          git ls-files ./app** | grep 'api-docs*' | xargs git add
+      - name: Build with Maven
+        working-directory: head
+        run: mvn test -Dtest=SwaggerConfigTest#swaggerSpringPlugin -DfailIfNoTests=false
+      - name: Run OpenAPI Diff (from HEAD revision)
+        uses: mvegter/openapi-diff-action@72cde50f8d3a75f770f08e23b815d5ebe69ff757
+        with:
+          head-spec: head/app/src/main/resources/swagger/api-docs.json
+          base-spec: base/app/src/main/resources/swagger/api-docs.json
+      - name: Commit api-docs
+        working-directory: head
+        run: |
+          git ls-files ./app** | grep 'api-docs*' | xargs git add .
           git config --global user.email "selfcare-github@pagopa.it"
           git config --global user.name "selfcare-github-bot"
           git commit -m "Update Swagger documentation" || exit 0
-          git push origin ${{ github.ref_name}}
\ No newline at end of file
+          git push origin ${{ github.head_ref}}
\ No newline at end of file