diff --git a/pkgs/applications/networking/sniffers/kismet/default.nix b/pkgs/applications/networking/sniffers/kismet/default.nix
index a7831785db81..9e41e8b7aaf6 100644
--- a/pkgs/applications/networking/sniffers/kismet/default.nix
+++ b/pkgs/applications/networking/sniffers/kismet/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, libpcap, ncurses, expat, pcre}:
 
 stdenv.mkDerivation {
-  name = "kismet-2010-01-r1";
+  name = "kismet-2011-03-r2";
 
   src = fetchurl {
-    url = http://www.kismetwireless.net/code/kismet-2010-01-R1.tar.gz;
-    sha256 = "106qird64x1v29nz6k5zs9dxxdq6q7fb7d6np0pnwm3dd2p1w7cx";
+    url = http://www.kismetwireless.net/code/kismet-2011-03-R2.tar.gz;
+    sha256 = "0r1admlaiq7k0v13d9ci9i9mf5m25i1r5r18bkawsla9fbxrk83i";
   };
 
   buildInputs = [libpcap ncurses expat pcre];
diff --git a/pkgs/tools/networking/aircrack-ng/default.nix b/pkgs/tools/networking/aircrack-ng/default.nix
index 394022c2d08e..9ecaf183f1f6 100644
--- a/pkgs/tools/networking/aircrack-ng/default.nix
+++ b/pkgs/tools/networking/aircrack-ng/default.nix
@@ -1,7 +1,7 @@
 {stdenv, fetchsvn, libpcap, openssl, zlib, wirelesstools}:
 
 let
-  rev = "1859";
+  rev = "2178";
 in
 stdenv.mkDerivation rec {
   name = "aircrack-ng-1.1-${rev}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   src = fetchsvn {
     url = "http://trac.aircrack-ng.org/svn/trunk";
     inherit rev;
-    sha256 = "6ca98321ef3f14af9c78b2fe25091c4e79e3c28679f240b80f8aeda71b84ab4a";
+    sha256 = "0rwj2nk4nyy0l9dg6rpg2h5gpvcygs5irj4i6fdcsr8xf0blq7yw";
   };
 
   buildInputs = [libpcap openssl zlib];