diff --git a/configure.ac b/configure.ac
index 6d3e05e3ce..c870efe3f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-define(_CLIENT_VERSION_MAJOR, 19)
+define(_CLIENT_VERSION_MAJOR, 20)
 define(_CLIENT_VERSION_MINOR, 0)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_RC, 0)