diff --git a/Formula/cnats.rb b/Formula/cnats.rb
index 676439b3549..2457050d237 100644
--- a/Formula/cnats.rb
+++ b/Formula/cnats.rb
@@ -1,8 +1,8 @@
 class Cnats < Formula
   desc "C client for the NATS messaging system"
   homepage "https://github.com/nats-io/nats.c"
-  url "https://github.com/nats-io/nats.c/archive/v2.1.0.tar.gz"
-  sha256 "1493ae3d790e2ebc4d77c65ef2957e2fb77182d69afeeeb2be1e1e6bee0ca12e"
+  url "https://github.com/nats-io/nats.c/archive/v2.2.0.tar.gz"
+  sha256 "d27caf80bbd560c8a642d9911b285bb3ace6076d2874f9dbb7436ea79292efec"
   license "Apache-2.0"
 
   bottle do