diff --git a/Formula/libpng.rb b/Formula/libpng.rb
index 2ea3a65c89..658feec4f4 100644
--- a/Formula/libpng.rb
+++ b/Formula/libpng.rb
@@ -7,6 +7,7 @@ class Libpng < Formula
 
   bottle do
     cellar :any
+    sha256 "8a76a432c62a531b61f7229ce23977ff4accb2b8ee7c65cef886184c36500558" => :mojave
     sha256 "6d87a8bac8290bef728e8faf1d39a963e0602d9ef89e465b05e463c62a64ad88" => :high_sierra
     sha256 "a0adbf626e9f20ac0895a9fe27a2ed68e1b63421f15d8b1018d7071037d5c48a" => :sierra
     sha256 "dd8d9907825e0398f96fd8482455654f805985e5eb6d0a319b421f64f3c81db1" => :el_capitan