--- ipt-netflow-2.3/ipt_NETFLOW.c.old	2018-03-19 17:27:26.000000000 +0200
+++ ipt-netflow-2.3/ipt_NETFLOW.c	2018-09-08 02:20:02.097129852 +0300
@@ -86,7 +86,7 @@
 # undef CONFIG_NF_NAT_NEEDED
 #endif
 
-#define IPT_NETFLOW_VERSION "2.2"   /* Note that if you are using git, you
+#define IPT_NETFLOW_VERSION "2.3"   /* Note that if you are using git, you
 				       will see version in other format. */
 #include "version.h"
 #ifdef GITVERSION