diff --git a/setup.py b/setup.py
index 2c2fdc6..c232c71 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 platform_is_windows = sys.platform == "win32"
 
-version = "0.3.4"
+version = "0.3.5-dev"
 
 msvc_extra_compile_args_config = [
     "/source-charset:utf-8",