diff --git a/.github/workflows/terraform-eks.yml b/.github/workflows/terraform-eks.yml
index 031a2dca2..800ed4674 100644
--- a/.github/workflows/terraform-eks.yml
+++ b/.github/workflows/terraform-eks.yml
@@ -75,7 +75,7 @@ jobs:
         ./aws/install
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Load environment variables from yml
         uses: Alfresco/alfresco-build-tools/.github/actions/env-load-from-yaml@v5.0.0