diff --git a/qtconsole/_version.py b/qtconsole/_version.py
index 032b9788..188a30f2 100644
--- a/qtconsole/_version.py
+++ b/qtconsole/_version.py
@@ -1,2 +1,2 @@
-version_info = (5, 5, 0)
+version_info = (5, 6, 0, 'dev0')
 __version__ = '.'.join(map(str, version_info))