diff --git a/.github/workflows/iac.yml b/.github/workflows/iac.yml
index f4184bdd..0806977a 100644
--- a/.github/workflows/iac.yml
+++ b/.github/workflows/iac.yml
@@ -44,6 +44,11 @@ on:
         type: string
         default: ''
         description: GCP Project ID
+      GCP_SA:
+        required: false
+        type: string
+        default: ''
+        description: GCP Service Account
     secrets:
       PRIVATE_SSH_KEY_TFMODULES:
         required: true
@@ -118,6 +123,7 @@ jobs:
         with:
           workload_identity_provider: ${{ inputs.GCP_WIP }}
           project_id: ${{ inputs.PROJECT_ID }}
+          service_account: ${{ inputs.GCP_SA }}
       
       - name: Sops Binary Installer
         uses: mdgreenwald/mozilla-sops-action@v1.5.0