diff --git a/lib/zh_avr_i2c b/lib/zh_avr_i2c
index 8bc9f02..da2fd0d 160000
--- a/lib/zh_avr_i2c
+++ b/lib/zh_avr_i2c
@@ -1 +1 @@
-Subproject commit 8bc9f02ad8c7d41634577f2f1b08923c3124a3b3
+Subproject commit da2fd0d2a801653da6a308299ebcd5800fe10296