diff --git a/pkgs/tools/networking/dnsmasq/default.nix b/pkgs/tools/networking/dnsmasq/default.nix
index 9adb95d1d3fb..315e12cc155e 100644
--- a/pkgs/tools/networking/dnsmasq/default.nix
+++ b/pkgs/tools/networking/dnsmasq/default.nix
@@ -12,11 +12,11 @@ let
   ]);
 in
 stdenv.mkDerivation rec {
-  name = "dnsmasq-2.79";
+  name = "dnsmasq-2.80";
 
   src = fetchurl {
     url = "http://www.thekelleys.org.uk/dnsmasq/${name}.tar.xz";
-    sha256 = "07w6cw706yyahwvbvslhkrbjf2ynv567cgy9pal8bz8lrbsp9bbq";
+    sha256 = "1fv3g8vikj3sn37x1j6qsywn09w1jipvlv34j3q5qrljbrwa5ayd";
   };
 
   preBuild = ''