diff --git a/security.mdy b/security.md
similarity index 100%
rename from security.mdy
rename to security.md
diff --git a/setup.py b/setup.py
index 81b9a72..659a126 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-VERSION = "0.3.20"
+VERSION = "0.3.21"
 
 from setuptools import setup, find_packages