diff --git a/src/Makefile.am b/src/Makefile.am
index ee4510c..9855edc 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,7 +5,7 @@
 lib_LTLIBRARIES = libbluetooth.la
 
 libbluetooth_la_SOURCES = bluetooth.c hci.c sdp.c
-libbluetooth_la_LDFLAGS = -version-info 1:18:0
+libbluetooth_la_LDFLAGS = -version-info 1:19:0
 
 INCLUDES = -I$(top_builddir)/include