diff --git a/net/unbound/Makefile b/net/unbound/Makefile
index 5567dca6d..a04aca633 100644
--- a/net/unbound/Makefile
+++ b/net/unbound/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unbound
-PKG_VERSION:=1.4.22
+PKG_VERSION:=1.5.1
 PKG_RELEASE:=1
 
 PKG_LICENSE:=BSD-3-Clause
@@ -17,7 +17,7 @@ PKG_MAINTAINER:=Michael Hanselmann <public@hansmi.ch>
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://www.unbound.net/downloads
-PKG_MD5SUM:=59728c74fef8783f8bad1d7451eba97f
+PKG_MD5SUM:=ed4c46476dcfb8a507cc08b1ba12a8f1
 
 PKG_BUILD_DEPENDS:=libexpat
 PKG_BUILD_PARALLEL:=1
diff --git a/net/unbound/patches/001-conf.patch b/net/unbound/patches/001-conf.patch
index 6300e516a..0d53615e2 100644
--- a/net/unbound/patches/001-conf.patch
+++ b/net/unbound/patches/001-conf.patch
@@ -149,6 +149,6 @@
  	# plain value in bytes or you can append k, m or G. default is "1Mb". 
  	# neg-cache-size: 1m
 +	neg-cache-size: 10k
- 
+ 	
  	# By default, for a number of zones a small default 'nothing here'
  	# reply is built-in.  Query traffic is thus blocked.  If you