diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index b12d846c1712..38270f33ba26 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, flex, bison}:
 
 stdenv.mkDerivation {
-  name = "wireshark-1.3.2";
+  name = "wireshark-1.3.4";
   src = fetchurl {
-    url = http://www.wireshark.org/download/src/wireshark-1.3.2.tar.gz;
-    sha256 = "0sq0mk0iqsgcgd2gqspyfmjiql00d3ghq43qxywd8qb2jxfv1q5r";
+    url = http://media-2.cacetech.com/wireshark/src/wireshark-1.3.4.tar.bz2;
+    sha256 = "00pyr3izg5dg8kr4sayp0fq8q360syfhs2nvj6b4ff1mdal7ra3x";
   };
   configureFlags = "--with-pcap=${libpcap}";
   buildInputs = [perl pkgconfig gtk libpcap flex bison];
diff --git a/pkgs/development/libraries/libpcap/default.nix b/pkgs/development/libraries/libpcap/default.nix
index 0c20c44ef908..cb01c2b47dbf 100644
--- a/pkgs/development/libraries/libpcap/default.nix
+++ b/pkgs/development/libraries/libpcap/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, flex, bison }:
 
 stdenv.mkDerivation rec {
-  name = "libpcap-1.1.0";
+  name = "libpcap-1.1.1";
   
   src = fetchurl {
     url = "http://www.tcpdump.org/release/${name}.tar.gz";
-    sha256 = "073hy17pvm203c0z3zpkp1b37sblcgf49c6a03az7kbniizbc07b";
+    sha256 = "11asds0r0vd9skbwfbgb1d2hqxr1d92kif4qhhqx2mbyahawm32h";
   };
   
   buildNativeInputs = [ flex bison ];