Prepare 2.2.1
diff --git a/pylint/__pkginfo__.py b/pylint/__pkginfo__.py
index 5e2f08d..4dd7b88 100644
--- a/pylint/__pkginfo__.py
+++ b/pylint/__pkginfo__.py
@@ -25,7 +25,7 @@
 
 modname = distname = "pylint"
 
-numversion = (2, 2, 0)
+numversion = (2, 2, 1)
 dev_version = None
 string_version = ".".join(str(num) for num in numversion)