diff --git a/setup.cfg b/setup.cfg
index 6dec149..c6525c9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.5
+current_version = 0.3.6.dev0
 commit = True
 tag = False
 tag_name = {new_version}
diff --git a/src/ufonormalizer.py b/src/ufonormalizer.py
index 21249b1..5eadaa9 100644
--- a/src/ufonormalizer.py
+++ b/src/ufonormalizer.py
@@ -21,7 +21,7 @@
 - things that need to be improved are marked with "# TO DO"
 """
 
-__version__ = "0.3.5"
+__version__ = "0.3.6.dev0"
 description = """
 UFO Normalizer (version %s):