diff --git a/cjdns/Makefile b/cjdns/Makefile
index af8803a..cd5ca90 100644
--- a/cjdns/Makefile
+++ b/cjdns/Makefile
@@ -17,12 +17,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=cjdns
-PKG_VERSION:=20.1
+PKG_VERSION:=20.2
 PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=https://github.com/cjdelisle/cjdns.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=bd6b60d817d3126fb45f671c1c7637042a0be937
+PKG_SOURCE_VERSION:=77259a49e5bc7ca7bc6dca5bd423e02be563bdc5
 PKG_LICENSE:=GPL-3.0
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.bz2
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_SOURCE_VERSION)
@@ -83,7 +83,7 @@ define Build/Compile
 	CC="$(TARGET_CC)" \
 	AR="$(TARGET_AR)" \
 	RANLIB="$(TARGET_RANLIB)" \
-	CFLAGS="$(TARGET_CFLAGS)" \
+	CFLAGS="$(TARGET_CFLAGS) -U_FORTIFY_SOURCE" \
 	LDFLAGS="$(TARGET_LDFLAGS)" \
 	SYSTEM="linux" \
 	TARGET_ARCH="$(CONFIG_ARCH)" \