diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index 4377b977..a1194b94 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -24,11 +24,11 @@ jobs:
     # Checkout the repository to the GitHub Actions runner
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     # Install the latest version of Terraform CLI
     - name: Setup Terraform
-      uses: hashicorp/setup-terraform@v1
+      uses: hashicorp/setup-terraform@ed3a0531877aca392eb870f440d9ae7aba83a6bd # v1
 
     # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
     - name: Terraform Init
@@ -43,7 +43,7 @@ jobs:
       run: terraform validate
 
     - name: Setup go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@bfdd3570ce990073878bf10f6b2d79082de49492 # v2
       with:
         go-version: 1.17.6