diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e876a1a..cbc88a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 2
 
@@ -68,7 +68,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index b8fb8d9..562f73d 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Install librdkafka
         run: |
diff --git a/.github/workflows/infection.yaml b/.github/workflows/infection.yaml
index f9f8985..4f26f79 100644
--- a/.github/workflows/infection.yaml
+++ b/.github/workflows/infection.yaml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index a4bb1bf..e63ce37 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Install librdkafka
         run: |
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Install librdkafka
         run: |