diff --git a/tp-cloud/terraform/modules/iam/main.tf b/tp-cloud/terraform/modules/iam/main.tf
index 730cc7a..2506183 100644
--- a/tp-cloud/terraform/modules/iam/main.tf
+++ b/tp-cloud/terraform/modules/iam/main.tf
@@ -6,6 +6,7 @@ resource "google_service_account" "terraform_sa" {
 # 2. Clé du compte de service
 resource "google_service_account_key" "terraform_sa_key" {
   service_account_id = google_service_account.terraform_sa.name
+  public_key_type = "TYPE_X509_PEM_FILE"
 }
 
 resource "google_project_iam_member" "terraform_roles" {