diff --git a/configure.ac b/configure.ac
index 57d33e6..573aac6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([timeseries_process], [2019.909.0], [https://github.com/sean0921/timeseries_process])
+AC_INIT([timeseries_process], [2019.909.1], [https://github.com/sean0921/timeseries_process])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 #AC_CONFIG_SRCDIR([])
 #AC_CONFIG_HEADERS([config.h])