diff --git a/.github/workflows/build-test-deploy.yml b/.github/workflows/build-test-deploy.yml
index 3f8611a..44fd1e7 100644
--- a/.github/workflows/build-test-deploy.yml
+++ b/.github/workflows/build-test-deploy.yml
@@ -65,7 +65,7 @@ jobs:
         run: ./gradlew build -Pversion=${{ steps.gen_branch_name.outputs.BRANCH_NAME }}-${{ github.run_number }} --info
 
       - name: Publish unit test results
-        uses: EnricoMi/publish-unit-test-result-action@v2
+        uses: EnricoMi/publish-unit-test-result-action@170bf24d20d201b842d7a52403b73ed297e6645b # v2
         if: always()
         with:
           check_name: unit-test-results
diff --git a/.github/workflows/check-for-conventional-commits.yml b/.github/workflows/check-for-conventional-commits.yml
index 7b22a59..57ac25a 100644
--- a/.github/workflows/check-for-conventional-commits.yml
+++ b/.github/workflows/check-for-conventional-commits.yml
@@ -15,4 +15,4 @@ jobs:
     steps:
       - name: check-for-cc
         id: check-for-cc
-        uses: agenthunt/conventional-commit-checker-action@v2.0.0
+        uses: agenthunt/conventional-commit-checker-action@9e552d650d0e205553ec7792d447929fc78e012b # v2.0.0
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 665de0a..d507af3 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -49,14 +49,14 @@ jobs:
         uses: gradle/actions/setup-gradle@16bf8bc8fe830fa669c3c9f914d3eb147c629707 # v4.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3
         with:
           languages: ${{ matrix.language }}
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
+        uses: github/codeql-action/autobuild@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3
         with:
           category: "/language:${{matrix.language}}"