diff --git a/platform.py b/platform.py
index a3be4fe..31e15cf 100644
--- a/platform.py
+++ b/platform.py
@@ -23,7 +23,7 @@ def check_ltchiptool():
     import ltchiptool
 
     importlib.reload(ltchiptool)
-    if Version(ltchiptool.get_version()) < Version("1.4.0"):
+    if Version(ltchiptool.get_version()) < Version("1.4.2"):
         raise ImportError("Version too old")