diff --git a/configure.ac b/configure.ac
index f3e24401d2e17570270359aa07e7f273380ad927..19426af95840d6d6a22f04608c632fe4d180ef27 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 AC_PREREQ([2.69])
 LT_PREREQ([2.4.6])
 
-AC_INIT([cdi],[2.2.3],[https://mpimet.mpg.de/cdi])
+AC_INIT([cdi],[2.2.4],[https://mpimet.mpg.de/cdi])
 AC_DEFINE_UNQUOTED(CDI, ["$PACKAGE_VERSION"], [CDI version])
 
 AC_CONFIG_AUX_DIR([config])