diff --git a/bucket/terragrunt.json b/bucket/terragrunt.json
index 3ce952573b..3a35d0c530 100644
--- a/bucket/terragrunt.json
+++ b/bucket/terragrunt.json
@@ -1,16 +1,16 @@
 {
-    "version": "0.39.2",
+    "version": "0.40.0",
     "description": "Thin wrapper for Terraform that provides extra tools for keeping Terraform configurations DRY, working with multiple Terraform modules, and managing remote state.",
     "homepage": "https://github.com/gruntwork-io/terragrunt",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.39.2/terragrunt_windows_amd64.exe#/terragrunt.exe",
-            "hash": "980dbaa7faac150d7abca053dbbf7025cc2951e72d656d5a6f2fe7ea3307ff65"
+            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.40.0/terragrunt_windows_amd64.exe#/terragrunt.exe",
+            "hash": "619f0a65e5a57f812d8a079d391ab42375a33c32fcdfbe431366dc557fc8473c"
         },
         "32bit": {
-            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.39.2/terragrunt_windows_386.exe#/terragrunt.exe",
-            "hash": "cb76d3dd4f691daed38bfd5ec8f37bf824a573208fb73fcb200476b3de502ed2"
+            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.40.0/terragrunt_windows_386.exe#/terragrunt.exe",
+            "hash": "5bffedc298bbb2034b1b8ae928e25c16a557d29b93f2654d087f0b81d5b36dc6"
         }
     },
     "bin": "terragrunt.exe",