diff --git a/caom2/setup.cfg b/caom2/setup.cfg
index 7d0fa23a..21d8b412 100644
--- a/caom2/setup.cfg
+++ b/caom2/setup.cfg
@@ -42,7 +42,7 @@ install_requires =
     lxml<=4.3.0;python_version=="3.4"
     lxml>=3.7.0;python_version>="3.5"
 # version should be PEP386 compatible (http://www.python.org/dev/peps/pep-0386)
-version = 2.4.0d
+version = 2.4.0rc2
 
 
 [entry_points]