diff --git a/pkgs/applications/networking/browsers/firefox-3/default.nix b/pkgs/applications/networking/browsers/firefox-3/default.nix
index 9874b6df7d1..29a331ca696 100644
--- a/pkgs/applications/networking/browsers/firefox-3/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-3/default.nix
@@ -11,11 +11,11 @@
 }:
 
 stdenv.mkDerivation {
-  name = "firefox-3.0.4";
+  name = "firefox-3.0.5";
 
   src = fetchurl {
-    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.4/source/firefox-3.0.4-source.tar.bz2;
-    sha1 = "16715b4af7ca2bad6baa8d450a3fd9cb375ad6d6";
+    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.5/source/firefox-3.0.5-source.tar.bz2;
+    sha1 = "f934e073efaad3d4dde847c8491fa9529564d5d2";
   };
 
   buildInputs = [