diff --git a/configure.ac b/configure.ac
index c69d193..7c0fdf6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ dnl                 changes are made
 dnl ---
 JACK_MAJOR_VERSION=0
 JACK_MINOR_VERSION=115
-JACK_MICRO_VERSION=3
+JACK_MICRO_VERSION=4
 
 dnl ---
 dnl HOWTO: updating the jack protocol version