diff --git a/internal/terraform/module/walker.go b/internal/terraform/module/walker.go
index e4ad9267a..38bbf4ff9 100644
--- a/internal/terraform/module/walker.go
+++ b/internal/terraform/module/walker.go
@@ -26,6 +26,7 @@ var (
 		".idea":               true,
 		".vscode":             true,
 		"terraform.tfstate.d": true,
+		".terragrunt-cache":   true,
 	}
 )