diff --git a/pkgs/tools/networking/nbd/default.nix b/pkgs/tools/networking/nbd/default.nix
index 6b6d99e745e1..0f7f75b989e2 100644
--- a/pkgs/tools/networking/nbd/default.nix
+++ b/pkgs/tools/networking/nbd/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pkgconfig, glib }:
 
 stdenv.mkDerivation rec {
-  name = "nbd-3.17";
+  name = "nbd-3.18";
 
   src = fetchurl {
     url = "mirror://sourceforge/nbd/${name}.tar.xz";
-    sha256 = "12fil2hb3gkxslr3nl9kak93n4iyhfs3zdwrmx9vjcxblfqnnp6r";
+    sha256 = "0cb0sjiv0j9sh9dk24nrjm7sa0axbrcp2av5hc91g1ryzk764dyq";
   };
 
   buildInputs =