diff --git a/README.md b/README.md
index 410198d..cab2b10 100644
--- a/README.md
+++ b/README.md
@@ -6,13 +6,15 @@ Terraform module to deploy tenant in Hashicorp Vault community version.<!-- BEGI
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement_terraform) | >= 1.0.0 |
+| <a name="requirement_random"></a> [random](#requirement_random) | ~> 3.6.2 |
+| <a name="requirement_vault"></a> [vault](#requirement_vault) | ~> 4.2.0 |
 
 ### Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_random"></a> [random](#provider_random) | n/a |
-| <a name="provider_vault"></a> [vault](#provider_vault) | n/a |
+| <a name="provider_random"></a> [random](#provider_random) | ~> 3.6.2 |
+| <a name="provider_vault"></a> [vault](#provider_vault) | ~> 4.2.0 |
 
 ### Modules
 
diff --git a/main.tf b/main.tf
index 08e0a47..cfa3b67 100644
--- a/main.tf
+++ b/main.tf
@@ -2,10 +2,12 @@ terraform {
   required_version = ">= 1.0.0"
   required_providers {
     vault = {
-      source = "hashicorp/vault"
+      source  = "hashicorp/vault"
+      version = "~> 4.2.0"
     }
     random = {
-      source = "hashicorp/random"
+      source  = "hashicorp/random"
+      version = "~> 3.6.2"
     }
   }
 }