diff --git a/Formula/spdylay.rb b/Formula/spdylay.rb
index cc564dce52..4f0a76625c 100644
--- a/Formula/spdylay.rb
+++ b/Formula/spdylay.rb
@@ -3,6 +3,7 @@ class Spdylay < Formula
   homepage "https://github.com/tatsuhiro-t/spdylay"
   url "https://github.com/tatsuhiro-t/spdylay/archive/v1.4.0.tar.gz"
   sha256 "31ed26253943b9d898b936945a1c68c48c3e0974b146cef7382320a97d8f0fa0"
+  revision 1
 
   bottle do
     cellar :any