diff --git a/stk500v2/uart b/stk500v2/uart
index 8f88cdc..dd37fa0 160000
--- a/stk500v2/uart
+++ b/stk500v2/uart
@@ -1 +1 @@
-Subproject commit 8f88cdccea6b8f1f8521bcad6724cacb1e6acbcf
+Subproject commit dd37fa041143cd1b96d2e93d4b64cf7f838c78cd