diff --git a/src/Makefile.am b/src/Makefile.am
index 8942de9..6299a93 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -29,4 +29,4 @@ lib_LTLIBRARIES = libtrbase.la
 libtrbase_la_SOURCES = $(TR_CLASS)
 libtrbase_la_CFLAGS  = $(AM_CFLAGS)
 libtrbase_la_LIBADD  = $(AM_LDFLAGS)
-libtrbase_la_LDFLAGS = -version-info 1:0:1 -no-undefined
+libtrbase_la_LDFLAGS = -version-info 1:2:0 -no-undefined