diff --git a/configure.ac b/configure.ac
index 23876dc..7e05802 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@ dnl                 changes are made
 dnl ---
 JACK_MAJOR_VERSION=0
 JACK_MINOR_VERSION=99
-JACK_MICRO_VERSION=72
+JACK_MICRO_VERSION=73
 
 dnl ---
 dnl HOWTO: updating the jack protocol version