diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index 76e30f2..7ad320a 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -6,6 +6,9 @@ on:
       - master
   pull_request:
 
+env:
+  TF_CLOUD_ORGANIZATION: "stackhpc"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
 jobs:
   terraform:
     name: "Terraform"
@@ -22,9 +25,8 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Terraform
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
-          terraform_version: 1.4.5
           cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
 
       - name: Terraform Format
diff --git a/authorized_keys/mathieu b/authorized_keys/mathieu
new file mode 100644
index 0000000..da9cb51
--- /dev/null
+++ b/authorized_keys/mathieu
@@ -0,0 +1,2 @@
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIBvOdR4uZJ+/DuARj6efCSEQrsBaV/QCnYi7EYLssximAAAABHNzaDo= mathieu StackHPC key - 2026-03-11
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAINNN6uvqHsTRMgEpeP64d48py8KfoRnVFm58fbMaKHYzAAAABHNzaDo= mathieu StackHPC key - 2026-03-11