diff --git a/.github/maven_code_review/action.yml b/.github/maven_code_review/action.yml
index a268959..f8c03e0 100644
--- a/.github/maven_code_review/action.yml
+++ b/.github/maven_code_review/action.yml
@@ -38,27 +38,27 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     - name: Set up JDK
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@b6e674f4b717d7b0ae3baee0fbe79f498905dfde # v1
       with:
         java-version: ${{ inputs.jdk_version }}
 
     - name: Set up Maven
-      uses: stCarolas/setup-maven@v4.5
+      uses: stCarolas/setup-maven@07fbbe97d97ef44336b7382563d66743297e442f # v4.5
       with:
         maven-version: ${{ inputs.maven_version }}
 
     - name: Cache Maven packages
-      uses: actions/cache@v1
+      uses: actions/cache@f5ce41475b483ad7581884324a6eca9f48f8dcc7 # v1
       with:
         path: ~/.m2
         key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
         restore-keys: ${{ runner.os }}-m2
 
     - name: Cache SonarCloud packages
-      uses: actions/cache@v1
+      uses: actions/cache@f5ce41475b483ad7581884324a6eca9f48f8dcc7 # v1
       with:
         path: ~/.sonar-project.properties/cache
         key: ${{ runner.os }}-sonar-project.properties
diff --git a/.github/workflows/anchore.yml b/.github/workflows/anchore.yml
index 802f626..f39dffb 100644
--- a/.github/workflows/anchore.yml
+++ b/.github/workflows/anchore.yml
@@ -35,20 +35,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the code
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
       - name: Build the Docker image
         run: docker build . --file ${{ env.DOCKERFILE }} --tag localbuild/testimage:latest
 
       - name: Run the Anchore scan action itself with GitHub Advanced Security code scanning integration enabled
-        uses: anchore/scan-action@v3
+        uses: anchore/scan-action@3343887d815d7b07465f6fdcd395bd66508d486a # v3
         with:
           image: "localbuild/testimage:latest"
           acs-report-enable: true
           fail-build: true
           severity-cutoff: "high"
       - name: Upload Anchore Scan Report
-        uses: github/codeql-action/upload-sarif@v2
+        uses: github/codeql-action/upload-sarif@e2b57b01d64b69ac273abfbea5d3ed15231e1706 # v2
         if: always()
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/check_pr.yml b/.github/workflows/check_pr.yml
index 57a5458..5d1a372 100644
--- a/.github/workflows/check_pr.yml
+++ b/.github/workflows/check_pr.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - name: Assign Me
         # You may pin to the exact commit or the version.
-        uses: kentaro-m/auto-assign-action@v1.2.1
+        uses: kentaro-m/auto-assign-action@746a3a558fdd0e061f612ec9f8ff1b8a19c1a115 # v1.2.1
         with:
           configuration-path: '.github/auto_assign.yml'
 
@@ -37,7 +37,7 @@ jobs:
     steps:
       - name: Verify PR Labels
         if: ${{ !contains(github.event.pull_request.labels.*.name, 'major') && !contains(github.event.pull_request.labels.*.name, 'minor') && !contains(github.event.pull_request.labels.*.name, 'patch') && !contains(github.event.pull_request.labels.*.name, 'skip') }}
-        uses: actions/github-script@v6.3.3
+        uses: actions/github-script@d556feaca394842dc55e4734bf3bb9f685482fa0 # v6.3.3
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
       - name: Formatting
         id: format
@@ -79,7 +79,7 @@ jobs:
         with:
           args: "--set-exit-if-changed"
 
-      - uses: actions/github-script@v6.3.3
+      - uses: actions/github-script@d556feaca394842dc55e4734bf3bb9f685482fa0 # v6.3.3
         if: steps.format.outcome != 'success'
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -113,12 +113,12 @@ jobs:
     runs-on: ubuntu-latest
     name: Check Size
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
         with:
           fetch-depth: 0
 
       - name: Check Size
-        uses: actions/github-script@v6.3.3
+        uses: actions/github-script@d556feaca394842dc55e4734bf3bb9f685482fa0 # v6.3.3
         env:
           IGNORED_FILES: openapi.json, openapi-node.json
         with:
diff --git a/.github/workflows/code_review.yml b/.github/workflows/code_review.yml
index de72a93..c33c2cd 100644
--- a/.github/workflows/code_review.yml
+++ b/.github/workflows/code_review.yml
@@ -33,7 +33,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4
       - name: Code Review
         uses: ./.github/maven_code_review
         with:
diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index b224a18..b6869cc 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -80,7 +80,7 @@ jobs:
     steps:
       - name: Report Status
         if: ${{ inputs.notify }}
-        uses: ravsamhq/notify-slack-action@v2
+        uses: ravsamhq/notify-slack-action@be814b201e233b2dc673608aa46e5447c8ab13f2 # v2
         with:
           status: ${{ needs.integration_test.result }}
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -97,7 +97,7 @@ jobs:
     if: ${{ always() }}
     steps:
       - name: Delete Previous deployments
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         env:
           SHA_HEAD: ${{ (github.event_name == 'pull_request' && github.event.pull_request.head.sha) || github.sha}}
         with:
diff --git a/.github/workflows/release-deploy.yml b/.github/workflows/release-deploy.yml
index 8b9fc26..8b9218d 100644
--- a/.github/workflows/release-deploy.yml
+++ b/.github/workflows/release-deploy.yml
@@ -55,7 +55,7 @@ jobs:
     steps:
       - name: Get semver
         id: get_semver
-        uses: pagopa/github-actions-template/semver-setup@v1.4.2
+        uses: pagopa/github-actions-template/semver-setup@0018ad6b766a082c35ec88cd9f18de6b54fd59d1 # v1.4.2
 
       - if: ${{ github.event.inputs.environment == null || github.event.inputs.environment == 'dev' }}
         run: echo "ENVIRNOMENT=dev" >> $GITHUB_ENV
@@ -84,7 +84,7 @@ jobs:
     steps:
       - name: Make Release
         id: release
-        uses: pagopa/github-actions-template/maven-release@v1.5.4
+        uses: pagopa/github-actions-template/maven-release@d91a1fd0b913c9830589be5d86cdb71c90813fae # v1.5.4
         with:
           semver: ${{ needs.setup.outputs.semver }}
           github_token: ${{ secrets.BOT_TOKEN_GITHUB }}
@@ -99,7 +99,7 @@ jobs:
     steps:
       - name: Build and Push
         id: semver
-        uses: pagopa/github-actions-template/ghcr-build-push@v1.5.4
+        uses: pagopa/github-actions-template/ghcr-build-push@d91a1fd0b913c9830589be5d86cdb71c90813fae # v1.5.4
         with:
           branch: ${{ github.ref_name}}
           github_token: ${{ secrets.GITHUB_TOKEN }}
@@ -126,7 +126,7 @@ jobs:
     steps:
       - name: Report Status
         if: always()
-        uses: ravsamhq/notify-slack-action@v2
+        uses: ravsamhq/notify-slack-action@be814b201e233b2dc673608aa46e5447c8ab13f2 # v2
         with:
           status: ${{ needs.deploy_aks.result }}
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/test-utils/docker-compose.yml b/test-utils/docker-compose.yml
index 7819cc5..c13e426 100644
--- a/test-utils/docker-compose.yml
+++ b/test-utils/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   redis:
-    image: 'redis/redis-stack:latest'
+    image: 'redis/redis-stack:latest@sha256:ca1e9182f3f6e1e40a766b1bb72f13fa89b8061477dd7843a79bf53e4b2307ae'
     ports:
       - '6379:6379'
       - '8001:8001'
diff --git a/test-utils/kafka-to-redis/Dockerfile b/test-utils/kafka-to-redis/Dockerfile
index 489a686..0786b6c 100644
--- a/test-utils/kafka-to-redis/Dockerfile
+++ b/test-utils/kafka-to-redis/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:16
+FROM node:16@sha256:f77a1aef2da8d83e45ec990f45df50f1a286c5fe8bbfb8c6e4246c6389705c0b
 
 WORKDIR /src/node-app