diff --git a/Lib/fontTools/__init__.py b/Lib/fontTools/__init__.py
index d5a7180c8f..b411be2105 100644
--- a/Lib/fontTools/__init__.py
+++ b/Lib/fontTools/__init__.py
@@ -3,6 +3,6 @@
 
 log = logging.getLogger(__name__)
 
-version = __version__ = "4.36.0"
+version = __version__ = "4.36.1.dev0"
 
 __all__ = ["version", "log", "configLogger"]
diff --git a/setup.cfg b/setup.cfg
index cf03341bad..50ea41ef4f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.36.0
+current_version = 4.36.1.dev0
 commit = True
 tag = False
 tag_name = {new_version}
diff --git a/setup.py b/setup.py
index 0f90b06f93..993a7f06a0 100755
--- a/setup.py
+++ b/setup.py
@@ -449,7 +449,7 @@ def build_extensions(self):
 
 setup_params = dict(
 	name="fonttools",
-	version="4.36.0",
+	version="4.36.1.dev0",
 	description="Tools to manipulate font files",
 	author="Just van Rossum",
 	author_email="just@letterror.com",