diff --git a/Formula/openimageio.rb b/Formula/openimageio.rb
index f5430e567e..4103d32bec 100644
--- a/Formula/openimageio.rb
+++ b/Formula/openimageio.rb
@@ -1,9 +1,8 @@
 class Openimageio < Formula
   desc "Library for reading, processing and writing images"
   homepage "http://openimageio.org/"
-  url "https://github.com/OpenImageIO/oiio/archive/Release-1.8.8.tar.gz"
-  sha256 "d7d529f1318b2ac8325f18b94f017d4d0bf878731178afb72eb5e75642873dc5"
-  revision 1
+  url "https://github.com/OpenImageIO/oiio/archive/Release-1.8.9.tar.gz"
+  sha256 "6b785abc890a95c600903bd67d6746e14ee363a8bbea23842d2175d4e7a837f3"
   head "https://github.com/OpenImageIO/oiio.git"
 
   bottle do