diff --git a/bbf/Makefile b/bbf/Makefile
index 745ed2543..61a2d37dc 100644
--- a/bbf/Makefile
+++ b/bbf/Makefile
@@ -5,11 +5,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libbbfdm
-PKG_VERSION:=4.0.5
+PKG_VERSION:=4.0.6
 PKG_FIXUP:=autoreconf
 PKG_SOURCE_URL:=https://dev.iopsys.eu/iopsys/bbf.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=765d43d0e3df2b0b67590887c34c1be6cd4735de
+PKG_SOURCE_VERSION:=5e72e0b9782de3978b24af0b2e80b226a35ad032
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_HASH:=skip