diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index ea0d7f6..c1fb211 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - name: Setup go
       uses: actions/setup-go@v4
@@ -85,7 +85,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - name: Setup Docker Buildx
       uses: docker/setup-buildx-action@v2
@@ -149,7 +149,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - uses: azure/setup-helm@v3
       with:
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 032fa3c..92919ec 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - name: Validate chart version/appVersion
       run: |
@@ -47,7 +47,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - name: Setup Docker Buildx
       uses: docker/setup-buildx-action@v2
@@ -114,7 +114,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
     - name: Setup regctl
       uses: regclient/actions/regctl-installer@main
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 2a3e1d9..007ad00 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -46,7 +46,7 @@ jobs:
         fi
 
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       with:
         token: ${{ secrets.WORKFLOW_USER_GH_TOKEN }}