diff --git a/Formula/openvdb.rb b/Formula/openvdb.rb
index cc67331f455..8450c59752e 100644
--- a/Formula/openvdb.rb
+++ b/Formula/openvdb.rb
@@ -4,6 +4,7 @@ class Openvdb < Formula
   url "https://github.com/AcademySoftwareFoundation/openvdb/archive/v9.0.0.tar.gz"
   sha256 "ad3816e8f1931d1d6fdbddcec5a1acd30695d049dd10aa965096b2fb9972b468"
   license "MPL-2.0"
+  revision 1
   head "https://github.com/AcademySoftwareFoundation/openvdb.git", branch: "master"
 
   bottle do