diff --git a/src/Makefile.am b/src/Makefile.am
index a87c5cc..4d6910e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,7 +2,7 @@
 
 # This is _NOT_ the library release version, it's an API version.
 # Please read Chapter 6 "Library interface versions" of the libtool documentation before making any modification
-LIBVERSION=1:1:1
+LIBVERSION=1:2:1
 
 
 lib_LTLIBRARIES = libgtpnl.la