diff --git a/configure.ac b/configure.ac
index 05fce75b..d0e08662 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.52)
 
 m4_define([PKG_VERSION_MAJOR], [3])
 m4_define([PKG_VERSION_MINOR], [6])
-m4_define([PKG_VERSION_PATCH], [0])
+m4_define([PKG_VERSION_PATCH], [1])
 
 AC_INIT([lttoolbox], [PKG_VERSION_MAJOR.PKG_VERSION_MINOR.PKG_VERSION_PATCH], [apertium-stuff@lists.sourceforge.net], [lttoolbox], [https://wiki.apertium.org/wiki/Lttoolbox])