diff --git a/setup.py b/setup.py
index 08ccd7a..6d42c67 100644
--- a/setup.py
+++ b/setup.py
@@ -96,7 +96,7 @@ setup(
     author='Yury Selivanov',
     author_email='yury@magic.io',
     platforms=['*nix'],
-    version='0.4.21',
+    version='0.4.22',
     packages=['uvloop'],
     cmdclass={'build_ext': libuv_build_ext},
     ext_modules=[