diff --git a/configure.ac b/configure.ac
index ce5dd50e887f1a741f32942f679d178b3cc42a3c..705d0afee3da08081bc091a76bd0d4b94a757bb1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@ AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADER([config.h])
 
 SHLIBMAJOR=2
-SHLIBMINOR=3
+SHLIBMINOR=4
 
 AC_CANONICAL_HOST