diff --git a/wfadatad/Makefile b/wfadatad/Makefile
index e70d7ebed..5a49b033e 100644
--- a/wfadatad/Makefile
+++ b/wfadatad/Makefile
@@ -5,10 +5,10 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=wfadatad
-PKG_VERSION:=4.0.5
+PKG_VERSION:=4.0.6
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=f8f58df3c0d92f41909838d73d687f7af6bafcae
+PKG_SOURCE_VERSION:=4c5801259b38924751e531081f4d58279b8f652a
 PKG_SOURCE_URL:=https://dev.iopsys.eu/iopsys/wfadatad.git
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_HASH:=skip