diff --git a/pkgs/servers/dns/nsd/default.nix b/pkgs/servers/dns/nsd/default.nix
index d3f6cc24e3b4..218c7dc73f18 100644
--- a/pkgs/servers/dns/nsd/default.nix
+++ b/pkgs/servers/dns/nsd/default.nix
@@ -13,11 +13,11 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "nsd-4.1.2";
+  name = "nsd-4.1.3";
 
   src = fetchurl {
     url = "http://www.nlnetlabs.nl/downloads/nsd/${name}.tar.gz";
-    sha256 = "0kb4jcckf4di9c88c09vb8ngbq19yh8njrp16yk2cic8p1dvf545";
+    sha256 = "1r8p5lqj7i6xi4k04jr1n9r1p8gwy3547hzsi8xags6krnav4z09";
   };
 
   buildInputs = [ libevent openssl ];