diff --git a/Formula/singular.rb b/Formula/singular.rb
index 623cd56016..d14ba7014e 100644
--- a/Formula/singular.rb
+++ b/Formula/singular.rb
@@ -4,6 +4,7 @@ class Singular < Formula
   url "https://service.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES/4-1-2/singular-4.1.2p1.tar.gz"
   version "4.1.2p1"
   sha256 "b520809ce061059081a973d4a3b102b05863d49c20565d03f638ba5146296d4f"
+  revision 1
 
   bottle do
     sha256 "20523ce9de4f5b0785093b9feffcbc7f80b011aca893e83ea80d5896e2300892" => :mojave