diff --git a/configure.ac b/configure.ac
index 53d8c80..298e533 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@
 # - micro version is libva_micro_version
 # - pre version is libva_pre_version, usually development version
 m4_define([libva_utils_major_version], [2])
-m4_define([libva_utils_minor_version], [3])
+m4_define([libva_utils_minor_version], [4])
 m4_define([libva_utils_micro_version], [0])
 m4_define([libva_utils_pre_version],   [1])
 
diff --git a/meson.build b/meson.build
index 404da5c..699dcb2 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('libva-utils', 'c', 'cpp',
-        version : '2.3.0.1',
+        version : '2.4.0.1',
         default_options : [
           'warning_level=2',
           'c_std=gnu99',