diff --git a/Formula/yaz.rb b/Formula/yaz.rb
index d4e4f7df73..2952152a53 100644
--- a/Formula/yaz.rb
+++ b/Formula/yaz.rb
@@ -1,8 +1,8 @@
 class Yaz < Formula
   desc "Toolkit for Z39.50/SRW/SRU clients/servers"
   homepage "https://www.indexdata.com/yaz"
-  url "http://ftp.indexdata.dk/pub/yaz/yaz-5.26.1.tar.gz"
-  sha256 "ceb4367e3098bce8e09734f09c0410bd679fdc3f9423bb28d70cc15cc95b66cc"
+  url "http://ftp.indexdata.dk/pub/yaz/yaz-5.27.0.tar.gz"
+  sha256 "3db834b30aad941aaee67a3daf0cfc33d6f81e724dd8d54227be201ad93c18f3"
 
   bottle do
     cellar :any