diff --git a/pkgs/tools/networking/radvd/default.nix b/pkgs/tools/networking/radvd/default.nix
index b8fa92e32022..98466a800a34 100644
--- a/pkgs/tools/networking/radvd/default.nix
+++ b/pkgs/tools/networking/radvd/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "radvd-${version}";
-  version = "2.17";
+  version = "2.18";
 
   src = fetchurl {
     url = "http://www.litech.org/radvd/dist/${name}.tar.xz";
-    sha256 = "1md6n63sg1n9x8yv0p7fwm1xxaiadj1q3mpadiqsvn14y1ddc2av";
+    sha256 = "1p2wlv3djvla0r84hdncc3wfa530xigs7z9ssc2v5r1pcpzgxgz1";
   };
 
   nativeBuildInputs = [ pkgconfig bison flex check ];