diff --git a/bucket/terragrunt.json b/bucket/terragrunt.json
index e966096968..a33c32753c 100644
--- a/bucket/terragrunt.json
+++ b/bucket/terragrunt.json
@@ -1,16 +1,16 @@
 {
-    "version": "0.28.20",
+    "version": "0.28.21",
     "description": "Terragrunt is a thin wrapper for Terraform that provides extra tools for keeping your 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/v0.28.20/terragrunt_windows_amd64.exe#/terragrunt.exe",
-            "hash": "ed6f766ff1eaf2049e5a715746db4e631c6b8b4cf6a6ebfc22382d4ff0d0d92e"
+            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.28.21/terragrunt_windows_amd64.exe#/terragrunt.exe",
+            "hash": "29a36971f1d55138d44e0dac0e0f0242309299db3ed9f115f2ced15fc5a7627f"
         },
         "32bit": {
-            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.28.20/terragrunt_windows_386.exe#/terragrunt.exe",
-            "hash": "2a47766c0b5a45554a0dcf33f24165f718169eb11c487804047c048936d8dc61"
+            "url": "https://github.com/gruntwork-io/terragrunt/releases/download/v0.28.21/terragrunt_windows_386.exe#/terragrunt.exe",
+            "hash": "4bdbaf6ba1396cc817333db0b5d2ce1d8321aa23668706d5d622269b61f0d24f"
         }
     },
     "bin": "terragrunt.exe",