diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index 12973ee22a5..f0b4038faba 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, perl, pkgconfig, gtk, libpcap}:
 
 stdenv.mkDerivation {
-  name = "wireshark-0.99.5";
+  name = "wireshark-0.99.6";
   src = fetchurl {
-    url = http://www.wireshark.org/download/src/wireshark-0.99.5.tar.gz;
-    sha256 = "0a6fkfdypfp73h1zxva2qxsm2mpkp1jv7p3d42xv5ghfwjqxyi0i";
+    url = http://www.wireshark.org/download/src/wireshark-0.99.6.tar.gz;
+    sha256 = "1f2i84dk4nw05nh78b2j4n9pbwdngcqx0grrja5831r6paj35x1y";
   };
   buildInputs = [perl pkgconfig gtk libpcap];
 }