diff --git a/main.tf b/main.tf
index f6f4a1a..099c484 100644
--- a/main.tf
+++ b/main.tf
@@ -1,6 +1,6 @@
 module "lambda" {
   source  = "terraform-aws-modules/lambda/aws"
-  version = "2.25.0"
+  version = "3.1.1"
 
   function_name = var.function_name
   description   = "Send CloudTrail Events to Slack"
diff --git a/versions.tf b/versions.tf
index ac73fd3..74f1384 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,7 +1,22 @@
 terraform {
-  required_version = ">= 0.12.31"
+  required_version = ">= 0.13.1"
 
   required_providers {
-    aws = "~>3.0, >= 3.43"
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 4.8"
+    }
+    external = {
+      source  = "hashicorp/external"
+      version = ">= 1.0"
+    }
+    local = {
+      source  = "hashicorp/local"
+      version = ">= 1.0"
+    }
+    null = {
+      source  = "hashicorp/null"
+      version = ">= 2.0"
+    }
   }
 }