diff --git a/pkgs/applications/networking/browsers/firefox-3/default.nix b/pkgs/applications/networking/browsers/firefox-3/default.nix
index 0d2df6ab1143..9874b6df7d1d 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-3.0.3";
+  name = "firefox-3.0.4";
 
   src = fetchurl {
-    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.3/source/firefox-3.0.3-source.tar.bz2;
-    sha1 = "089a41ff079cd37d39d19cf3a51daba07337db2c";
+    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.4/source/firefox-3.0.4-source.tar.bz2;
+    sha1 = "16715b4af7ca2bad6baa8d450a3fd9cb375ad6d6";
   };
 
   buildInputs = [
diff --git a/pkgs/applications/networking/browsers/firefox-3/xulrunner.nix b/pkgs/applications/networking/browsers/firefox-3/xulrunner.nix
index 3c38ed58ceda..09798ce02ddc 100644
--- a/pkgs/applications/networking/browsers/firefox-3/xulrunner.nix
+++ b/pkgs/applications/networking/browsers/firefox-3/xulrunner.nix
@@ -11,7 +11,7 @@
 
 let
 
-  version = "1.9.0.3"; # this attribute is used by other packages
+  version = "1.9.0.4"; # this attribute is used by other packages
 
 in  
 
@@ -19,8 +19,8 @@ stdenv.mkDerivation {
   name = "xulrunner-${version}";
 
   src = fetchurl {
-    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.3/source/firefox-3.0.3-source.tar.bz2;
-    sha1 = "089a41ff079cd37d39d19cf3a51daba07337db2c";
+    url = http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.0.4/source/firefox-3.0.4-source.tar.bz2;
+    sha1 = "16715b4af7ca2bad6baa8d450a3fd9cb375ad6d6";
   };
 
   buildInputs = [