diff --git a/deployment/mise.toml b/deployment/mise.toml
index bda19c4c84..8a01695fa7 100644
--- a/deployment/mise.toml
+++ b/deployment/mise.toml
@@ -1,5 +1,5 @@
 [tools]
-terragrunt = "0.99.5"
+terragrunt = "1.0.0"
 opentofu = "1.11.5"
 
 [tasks."tg:fmt"]
diff --git a/mise.toml b/mise.toml
index 23562131dc..d299bac847 100644
--- a/mise.toml
+++ b/mise.toml
@@ -17,7 +17,7 @@ config_roots = [
 node = "24.14.1"
 flutter = "3.35.7"
 pnpm = "10.33.0"
-terragrunt = "0.99.5"
+terragrunt = "1.0.0"
 opentofu = "1.11.5"
 java = "21.0.2"