diff --git a/versions.tf b/versions.tf
index c73fc9a..ad836f1 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,10 +1,10 @@
 terraform {
-  required_version = "~> 0.12.0"
+  required_version = ">= 0.12.26, < 0.14.0"
 
   required_providers {
-    aws   = "~> 2.0"
+    aws   = ">= 2.0, < 4.0"
+    helm  = ">= 1.0, < 1.4.0"
     local = "~> 1.2"
     null  = "~> 2.0"
-    helm  = "~> 1.0"
   }
 }