diff --git a/Formula/astrometry-net.rb b/Formula/astrometry-net.rb
index 13219eaa70..069a5fc193 100644
--- a/Formula/astrometry-net.rb
+++ b/Formula/astrometry-net.rb
@@ -3,9 +3,8 @@ class AstrometryNet < Formula
 
   desc "Automatic identification of astronomical images"
   homepage "https://github.com/dstndstn/astrometry.net"
-  url "https://github.com/dstndstn/astrometry.net/releases/download/0.76/astrometry.net-0.76.tar.gz"
-  sha256 "244355ef9716a9e062eb19e8547e8b50434c7df52a8b96f9d0a254bc646d1f0d"
-  revision 2
+  url "https://github.com/dstndstn/astrometry.net/releases/download/0.78/astrometry.net-0.78.tar.gz"
+  sha256 "9eda1b6cab5269b0a0e5d610aec86866cb8b08fb8f56254dc12f1690d69bc649"
 
   bottle do
     cellar :any