diff --git a/.github/actions/build-app/action.yml b/.github/actions/build-app/action.yml
index a155f662..180aa299 100644
--- a/.github/actions/build-app/action.yml
+++ b/.github/actions/build-app/action.yml
@@ -23,7 +23,7 @@ runs:
   steps:
     - name: Extract metadata (tags, labels) for Docker
       id: meta
-      uses: docker/metadata-action@v5
+      uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
       with:
         images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ inputs.image }}
         flavor: |
@@ -32,7 +32,7 @@ runs:
           type=raw,value=${{ inputs.tag-prefix }}-${{ github.run_number }}-a${{ github.run_attempt }}
 
     - name: Build and push
-      uses: docker/build-push-action@v6
+      uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
       with:
         context: .
         file: ${{ inputs.dockerfile }}
diff --git a/.github/actions/promote-image/action.yml b/.github/actions/promote-image/action.yml
index c256ba9c..ff7cf835 100644
--- a/.github/actions/promote-image/action.yml
+++ b/.github/actions/promote-image/action.yml
@@ -17,7 +17,7 @@ runs:
     
     - name: Extract metadata (tags, labels) for Promotion
       id: remeta
-      uses: docker/metadata-action@v5
+      uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
       with:
         images: ${{ inputs.image }}
         flavor: |
diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 79e30526..e54fc6ae 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -51,9 +51,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-dotnet@v5
+      - uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5.2.0
         with:
           dotnet-version: '${{ env.DOTNET_VERSION }}'
 
@@ -78,13 +78,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
 
       - name: Log in to Container Registry
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -114,10 +114,10 @@ jobs:
     
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Log in to Container Registry
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -137,7 +137,7 @@ jobs:
     environment: production
     steps:
       - name: Send repository dispatch
-        uses: peter-evans/repository-dispatch@v4
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4.0.1
         with:
           token: ${{ secrets.GITOPS_PAT }}
           repository: openshock/kubernetes-cluster-gitops
@@ -155,7 +155,7 @@ jobs:
 
     steps:
       - name: Send repository dispatch
-        uses: peter-evans/repository-dispatch@v4
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4.0.1
         with:
           token: ${{ secrets.GITOPS_PAT }}
           repository: openshock/kubernetes-cluster-gitops
@@ -172,7 +172,7 @@ jobs:
     environment: development
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           sparse-checkout: |
             .github
diff --git a/.github/workflows/ci-tag.yml b/.github/workflows/ci-tag.yml
index 959050ce..aef5139e 100644
--- a/.github/workflows/ci-tag.yml
+++ b/.github/workflows/ci-tag.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: Find latest tag
         id: latest-tag
-        uses: oprypin/find-latest-tag@v1
+        uses: oprypin/find-latest-tag@dd2729fe78b0bb55523ae2b2a310c6773a652bd1 # v1.1.2
         with:
           repository: ${{ github.repository }}
           regex: '^\d+\.\d+\.\d+$'
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d9cbb591..84957b7f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -27,17 +27,17 @@ jobs:
       contents: read
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@e46ed2cbd01164d986452f91f178727624ae40d7 # v4.35.3
       with:
         languages: csharp
         build-mode: manual
     
     - name: Setup .NET SDK ${{ env.DOTNET_VERSION }}
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5.2.0
       with:
         dotnet-version: ${{ env.DOTNET_VERSION }}
 
@@ -50,6 +50,6 @@ jobs:
         dotnet publish Cron/Cron.csproj -c Release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@e46ed2cbd01164d986452f91f178727624ae40d7 # v4.35.3
       with:
         category: "/language:csharp"
diff --git a/.github/workflows/update-cloudflare-proxies.yml b/.github/workflows/update-cloudflare-proxies.yml
index 6ed0e573..d6da732f 100644
--- a/.github/workflows/update-cloudflare-proxies.yml
+++ b/.github/workflows/update-cloudflare-proxies.yml
@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           ref: ${{ github.ref }}
 
-      - uses: actions/setup-dotnet@v5
+      - uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7 # v5.2.0
         with:
           global-json-file: global.json