diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a2aa1c8..f92bd4d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -60,7 +60,7 @@ jobs:
         # yamllint enable rule:line-length
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 2ceb14d..188232c 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -20,7 +20,7 @@ jobs:
     name: "Build Docker images"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/gitleaks.yml b/.github/workflows/gitleaks.yml
index 9710da5..f6a5ed1 100644
--- a/.github/workflows/gitleaks.yml
+++ b/.github/workflows/gitleaks.yml
@@ -22,7 +22,7 @@ jobs:
     name: gitleaks
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
       - uses: gitleaks/gitleaks-action@v2
diff --git a/.github/workflows/go-coverage.yml b/.github/workflows/go-coverage.yml
index 5eb6804..9611c38 100644
--- a/.github/workflows/go-coverage.yml
+++ b/.github/workflows/go-coverage.yml
@@ -19,7 +19,7 @@ jobs:
     name: "Go CI Tests Coverage"
     runs-on: "ubuntu-24.04"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           # Shallow clones should be disabled for a better relevancy of analysis
           fetch-depth: 0
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
       - name: Download coverage artifact
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/go-lint.yml b/.github/workflows/go-lint.yml
index 2a09eca..140f31e 100644
--- a/.github/workflows/go-lint.yml
+++ b/.github/workflows/go-lint.yml
@@ -22,7 +22,7 @@ jobs:
         go: ["1.23.x", "1.24.x", "1.25.x"]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Go
         uses: actions/setup-go@v6
diff --git a/.github/workflows/go-test.yml b/.github/workflows/go-test.yml
index a4ced3d..0d1e398 100644
--- a/.github/workflows/go-test.yml
+++ b/.github/workflows/go-test.yml
@@ -22,7 +22,7 @@ jobs:
         go: ["1.23.x", "1.24.x", "1.25.x"]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Go
         uses: actions/setup-go@v6
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index e106928..5e9136a 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index cc19e15..905d70b 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Install yamllint
         run: pip install yamllint