diff --git a/tf-infra/contabo/.terraform.lock.hcl b/tf-infra/contabo/.terraform.lock.hcl
index 5f91722..8bdf263 100644
--- a/tf-infra/contabo/.terraform.lock.hcl
+++ b/tf-infra/contabo/.terraform.lock.hcl
@@ -23,21 +23,3 @@ provider "registry.opentofu.org/contabo/contabo" {
     "zh:ef297c827635430079154fce3d0c5258988893c2e4096cd48487cf7950ac9aec",
   ]
 }
-
-provider "registry.opentofu.org/hashicorp/aws" {
-  version     = "5.35.0"
-  constraints = "~> 5.35.0"
-  hashes = [
-    "h1:3DYZFl/JAWxYkn2xkoRVyMJrnVQmNTWqfWlwkMEiJOc=",
-    "zh:32ef60b3b130199a94a61958d7ebaf67ed0e05866e66a08fcc9c311380fdbf55",
-    "zh:3c28d9f265d06a328a82fb894a867d7fd7dd27646bdff09e262b156fbd1269b2",
-    "zh:4a6b58668bba4c17e88982aa7b14ce8c1f7de3501b231a82656c6e8d16222300",
-    "zh:550f4acb06d71a7f3d24f09ed20e3f271575b7bc7911de24d7e28fcf7759173d",
-    "zh:64b62a8139ccbf08a093e834b6d2de00358a2ea514d666cd0cbe0e0c782666c0",
-    "zh:6f89d6d7550ce4e6a345b7f48ee373833b154bac6c4496d198a14c87d7421fc7",
-    "zh:9fe6c4346d86448cf0bbd715c65cc4d3e7abc15bf3d2d1163d0f5663601e4634",
-    "zh:baa76b247ee4c4559e51b03557f4b464794926f1ddf597d84bc2374b417ffc72",
-    "zh:cefb2910843031bd658aa2bc4d0d7a98b2b1f4c0b2ef6b2f7b974e1869d8cec0",
-    "zh:dab3f13e0f400d4cf6bf95a3dd9883a6afe859c2f8df2ad24d5b27d9653f8f9a",
-  ]
-}
diff --git a/tf-infra/contabo/versions.tf b/tf-infra/contabo/versions.tf
index 4ddb0cd..f7ecbf4 100644
--- a/tf-infra/contabo/versions.tf
+++ b/tf-infra/contabo/versions.tf
@@ -5,4 +5,9 @@ terraform {
       version = "~> 0.1.23"
     }
   }
+  backend "s3" {
+    bucket = "nilstrieb-states"
+    key = "contabo-terraform.tfstate"
+    region = "eu-central-1"
+  }
 }