diff --git a/.github/workflows/terraform_plan.yaml b/.github/workflows/terraform_plan.yaml
index fb864b0..49d8db5 100644
--- a/.github/workflows/terraform_plan.yaml
+++ b/.github/workflows/terraform_plan.yaml
@@ -6,6 +6,9 @@ on:
   pull_request:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
+
+concurrency:
+  group: ${{ github.repo }}-${{ vars.terraform_workspace }}
   
 permissions: write-all
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel