diff --git a/openwrt/Makefile b/openwrt/Makefile
index c02b88b..d1ca276 100644
--- a/openwrt/Makefile
+++ b/openwrt/Makefile
@@ -14,7 +14,7 @@ PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.bh.ttx.sk/jaro/usbserial-dw.git
 PKG_MIRROR_HASH:=
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=6179fdee75ee3fcdb766aef5eb791c38e75ee33b
+PKG_SOURCE_VERSION:=81de0845a33aab3121c0a316696848be1fc8b2dd
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_SOURCE_VERSION)
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_SOURCE_VERSION)