diff --git a/pkgs/tools/networking/dnsmasq/default.nix b/pkgs/tools/networking/dnsmasq/default.nix
index 7752338c6bb2..0e905bb65479 100644
--- a/pkgs/tools/networking/dnsmasq/default.nix
+++ b/pkgs/tools/networking/dnsmasq/default.nix
@@ -11,11 +11,11 @@ let
   ]);
 in
 stdenv.mkDerivation rec {
-  name = "dnsmasq-2.73";
+  name = "dnsmasq-2.75";
 
   src = fetchurl {
     url = "http://www.thekelleys.org.uk/dnsmasq/${name}.tar.xz";
-    sha256 = "1xnqfaw2l78f4zw4z9sgr9nl9yc233gxc3sd7hxapz2k7q883zqb";
+    sha256 = "1wa1d4if9q6k3hklv8xi06a59k3aqb7pik8rhi2l53i99hflw334";
   };
 
   preBuild = ''