diff --git a/.github/workflows/lint-build-push.yml b/.github/workflows/lint-build-push.yml
index 49e659d..5e85c98 100644
--- a/.github/workflows/lint-build-push.yml
+++ b/.github/workflows/lint-build-push.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Lint Dockerfile
         uses: brpaz/hadolint-action@master
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Overidde image tag with branch name if not on master
         if: contains(github.ref, 'master') != true
@@ -104,7 +104,7 @@ jobs:
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Build image
         run: docker image build . --file Dockerfile --build-arg COD2_VERSION=$COD2_VERSION --build-arg COD2_LNXDED_TYPE=$COD2_LNXDED_TYPE --tag $IMAGE_NAME:$IMAGE_TAG