diff --git a/tetgen/_version.py b/tetgen/_version.py
index 11a22d8..4644866 100644
--- a/tetgen/_version.py
+++ b/tetgen/_version.py
@@ -8,7 +8,7 @@
 """
 
 # major, minor, patch, -extra
-version_info = 0, 5, 'dev0'
+version_info = 0, 6, 'dev0'
 
 # Nice string for the version
 __version__ = '.'.join(map(str, version_info))