diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a5dc57e..89060e4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,6 +10,6 @@ jobs:
       uses: actions/checkout@v1
 
     - name: terraform fmt
-      uses: hashicorp/terraform-github-actions/fmt@0.4.6
+      uses: hashicorp/terraform-github-actions/fmt@v0.4.6
       env:
         TF_ACTION_WORKING_DIR: "."