diff --git a/platform.json b/platform.json
index b299c68..a402342 100644
--- a/platform.json
+++ b/platform.json
@@ -23,7 +23,7 @@
     "toolchain-sdcc": {
       "type": "toolchain",
       "owner": "platformio",
-      "version": ">=1.40100.0,<1.40201.0"
+      "version": ">=1.40100.0,<1.40401.0"
     },
     "tool-stcgal": {
       "type": "uploader",