diff --git a/.github/workflows/mend-scan.yml b/.github/workflows/mend-scan.yml
index a8c9eee..b23499e 100644
--- a/.github/workflows/mend-scan.yml
+++ b/.github/workflows/mend-scan.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       # Step 1: Checkout code
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       # Step 2: Download Mend CLI
       - name: Download Mend CLI
diff --git a/.github/workflows/tf-apply-main.yml b/.github/workflows/tf-apply-main.yml
index ce376a3..83d41b1 100644
--- a/.github/workflows/tf-apply-main.yml
+++ b/.github/workflows/tf-apply-main.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
     - name: Install Terraform
       uses: hashicorp/setup-terraform@633666f66e0061ca3b725c73b2ec20cd13a8fdd1 # v2
diff --git a/.github/workflows/tf-destroy-main.yml b/.github/workflows/tf-destroy-main.yml
index a35f595..0670e68 100644
--- a/.github/workflows/tf-destroy-main.yml
+++ b/.github/workflows/tf-destroy-main.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
     - name: Install Terraform
       uses: hashicorp/setup-terraform@633666f66e0061ca3b725c73b2ec20cd13a8fdd1 # v2