diff --git a/pkgs/development/tools/misc/tcptrack/default.nix b/pkgs/development/tools/misc/tcptrack/default.nix
index 5b1fd72a7f51..25121bf1ad7d 100644
--- a/pkgs/development/tools/misc/tcptrack/default.nix
+++ b/pkgs/development/tools/misc/tcptrack/default.nix
@@ -1,16 +1,26 @@
-{ lib, stdenv, fetchFromGitHub, ncurses, libpcap }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, ncurses, libpcap }:
 
 stdenv.mkDerivation rec {
   pname = "tcptrack";
-  version = "1.4.3";
+  version = "unstable-2017-04-29";
 
   src = fetchFromGitHub {
     owner = "bchretien";
     repo = "tcptrack";
-    rev = "d05fe08154ff1e46578e92be49e4cfa2c6543283";
-    sha256 = "08lh3l67wn4kq9q0nfspc7rj0jvp9dzwjgxpvqliwcif8cy5mi45";
+    rev = "2b096ac103af2884bbd7648cff8adcbadbda9394";
+    sha256 = "0084g9s0ynv1az67j08q9nz4p07bqqz9k6w5lprzj3ljlh0x10gj";
   };
 
+  patches = [
+    # Fix pending upstream inclusion for ncurses-6.3 support:
+    #  https://github.com/bchretien/tcptrack/pull/10
+    (fetchpatch {
+      name = "ncurses-6.3.patch";
+      url = "https://github.com/bchretien/tcptrack/commit/409007afbce8ec5a81312a2a4123dd83b62b4494.patch";
+      sha256 = "00641jyr52ksww5bbzvxlprmbb36jnvzg2w1aj1jgnm75jiajcfc";
+    })
+  ];
+
   buildInputs = [ ncurses libpcap ];
 
   NIX_CFLAGS_COMPILE = "-Wno-error=cpp";