diff --git a/.forgejo/workflows/terraform-plan.yml b/.forgejo/workflows/terraform-plan.yml
index 5112b66..c374165 100644
--- a/.forgejo/workflows/terraform-plan.yml
+++ b/.forgejo/workflows/terraform-plan.yml
@@ -22,22 +22,20 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Setup Terraform
-        uses: hashicorp/setup-terraform@v3
-        with:
-          terraform_version: 1.9.8
+      - name: Setup OpenTofu
+        uses: hashicorp/setup-opentofu@v1
 
-      - name: Terraform Format Check
-        run: terraform fmt -check -recursive
+      - name: Tofu Format Check
+        run: tofu fmt -check -recursive
 
-      - name: Terraform Init
-        run: terraform init -backend=false
+      - name: Tofu Init
+        run: tofu init -backend=false
 
-      - name: Terraform Validate
-        run: terraform validate
+      - name: Tofu Validate
+        run: tofu validate
 
-      - name: Terraform Plan
+      - name: Tofu Plan
         env:
           TF_VAR_proxmox_endpoint: ${{ secrets.PROXMOX_ENDPOINT }}
           TF_VAR_proxmox_api_token: ${{ secrets.PROXMOX_API_TOKEN }}
-        run: terraform plan -out=tfplan
+        run: tofu plan -out=tfplan