diff --git a/Formula/libdap.rb b/Formula/libdap.rb
index 76a4ab6bd7..dd0972712f 100644
--- a/Formula/libdap.rb
+++ b/Formula/libdap.rb
@@ -1,8 +1,8 @@
 class Libdap < Formula
   desc "Framework for scientific data networking"
   homepage "https://www.opendap.org/"
-  url "https://www.opendap.org/pub/source/libdap-3.18.3.tar.gz"
-  sha256 "0ced6aa36bb445f51e4d72d480e326de7d513a4a7a2c1e5c73e16e2c1f71f22b"
+  url "https://www.opendap.org/pub/source/libdap-3.19.0.tar.gz"
+  sha256 "59c384c2da01104a4ef37f010f3bcf5d46e85e30fcfc942c9181e17128f168a5"
 
   bottle do
     sha256 "4ec4781108986332b022cb81d238345f4e697e62ad5a3cc5cb66b77ee7d7ebe8" => :sierra