Bump version to 1.3.7
diff --git a/Makefile b/Makefile
index cc1de3b..b651063 100644
--- a/Makefile
+++ b/Makefile
@@ -14,8 +14,8 @@
 ifndef KERNEL_DIR
 KERNEL_DIR="/lib/modules/$(shell uname -r)/build"
 endif
-IPTABLES_VERSION:=1.3.6
-OLD_IPTABLES_VERSION:=1.3.5
+IPTABLES_VERSION:=1.3.7
+OLD_IPTABLES_VERSION:=1.3.6
 
 PREFIX:=/usr/local
 LIBDIR:=$(PREFIX)/lib