diff --git a/platform.py b/platform.py
index 82ac785..8c7e7f3 100644
--- a/platform.py
+++ b/platform.py
@@ -17,7 +17,7 @@ from platformio.platform.base import PlatformBase
 from platformio.platform.board import PlatformBoardConfig
 from semantic_version import SimpleSpec, Version
 
-LTCHIPTOOL_VERSION = "^4.0.0"
+LTCHIPTOOL_VERSION = "^4.0.1"
 
 
 # Install & import tools