diff --git a/examples/terraform/aws/versions.tf b/examples/terraform/aws/versions.tf
index 3a59160ed..259ef7507 100644
--- a/examples/terraform/aws/versions.tf
+++ b/examples/terraform/aws/versions.tf
@@ -1,3 +1,9 @@
 terraform {
-  required_version = ">= 0.12.10"
+  required_version = ">= 1.0.0"
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 3.45.0"
+    }
+  }
 }
diff --git a/examples/terraform/azure/versions.tf b/examples/terraform/azure/versions.tf
index ac97c6ac8..3129aabf4 100644
--- a/examples/terraform/azure/versions.tf
+++ b/examples/terraform/azure/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = "~> 2.63.0"
+    }
+  }
 }
diff --git a/examples/terraform/digitalocean/versions.tf b/examples/terraform/digitalocean/versions.tf
index ac97c6ac8..d0fd02340 100644
--- a/examples/terraform/digitalocean/versions.tf
+++ b/examples/terraform/digitalocean/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    digitalocean = {
+      source  = "digitalocean/digitalocean"
+      version = "~> 2.9.0"
+    }
+  }
 }
diff --git a/examples/terraform/gce/versions.tf b/examples/terraform/gce/versions.tf
index ac97c6ac8..76f631184 100644
--- a/examples/terraform/gce/versions.tf
+++ b/examples/terraform/gce/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 3.71.0"
+    }
+  }
 }
diff --git a/examples/terraform/hetzner/versions.tf b/examples/terraform/hetzner/versions.tf
index ed41ce442..13a4b57f3 100644
--- a/examples/terraform/hetzner/versions.tf
+++ b/examples/terraform/hetzner/versions.tf
@@ -1,9 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
   required_providers {
     hcloud = {
-      source = "hetznercloud/hcloud"
+      source  = "hetznercloud/hcloud"
+      version = "~> 1.26.0"
     }
   }
 }
diff --git a/examples/terraform/openstack/variables.tf b/examples/terraform/openstack/variables.tf
index e3cf64c48..9fe7575ba 100644
--- a/examples/terraform/openstack/variables.tf
+++ b/examples/terraform/openstack/variables.tf
@@ -103,7 +103,7 @@ variable "image_properties_query" {
     os_version = "18.04"
   }
   description = "in absense of var.image, this will be used to query API for the image"
-  type        = string
+  type        = map(any)
 }
 
 variable "subnet_cidr" {
diff --git a/examples/terraform/openstack/versions.tf b/examples/terraform/openstack/versions.tf
index ac97c6ac8..a019e8d05 100644
--- a/examples/terraform/openstack/versions.tf
+++ b/examples/terraform/openstack/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    openstack = {
+      source  = "terraform-provider-openstack/openstack"
+      version = "~> 1.35.0"
+    }
+  }
 }
diff --git a/examples/terraform/packet/versions.tf b/examples/terraform/packet/versions.tf
index ac97c6ac8..7d31fbda9 100644
--- a/examples/terraform/packet/versions.tf
+++ b/examples/terraform/packet/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    packet = {
+      source  = "packethost/packet"
+      version = "~> 3.2.1"
+    }
+  }
 }
diff --git a/examples/terraform/vsphere/main.tf b/examples/terraform/vsphere/main.tf
index e84fa53b1..9cfb856a1 100644
--- a/examples/terraform/vsphere/main.tf
+++ b/examples/terraform/vsphere/main.tf
@@ -23,7 +23,7 @@ provider "vsphere" {
 
 locals {
   resource_pool_id = var.resource_pool_name == "" ? data.vsphere_compute_cluster.cluster.resource_pool_id : data.vsphere_resource_pool.pool[0].id
-  hostnames = formatlist("${var.cluster_name}-cp-%d", [1, 2, 3])
+  hostnames        = formatlist("${var.cluster_name}-cp-%d", [1, 2, 3])
 }
 
 data "vsphere_datacenter" "dc" {
diff --git a/examples/terraform/vsphere/versions.tf b/examples/terraform/vsphere/versions.tf
index ac97c6ac8..3dcee792e 100644
--- a/examples/terraform/vsphere/versions.tf
+++ b/examples/terraform/vsphere/versions.tf
@@ -1,4 +1,9 @@
-
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.0"
+  required_providers {
+    packet = {
+      source  = "hashicorp/vsphere"
+      version = "~> 2.0.1"
+    }
+  }
 }