diff --git a/pkgs/applications/networking/browsers/firefox/3.6.nix b/pkgs/applications/networking/browsers/firefox/3.6.nix
index f56dda74fda..9f6e7503967 100644
--- a/pkgs/applications/networking/browsers/firefox/3.6.nix
+++ b/pkgs/applications/networking/browsers/firefox/3.6.nix
@@ -12,14 +12,14 @@
 
 rec {
 
-  firefoxVersion = "3.6.6";
+  firefoxVersion = "3.6.7";
   
-  xulVersion = "1.9.2.6"; # this attribute is used by other packages
+  xulVersion = "1.9.2.7"; # this attribute is used by other packages
 
   
   src = fetchurl {
     url = "http://releases.mozilla.org/pub/mozilla.org/firefox/releases/${firefoxVersion}/source/firefox-${firefoxVersion}.source.tar.bz2";
-    sha256 = "1cq6mg4p8x6hxxya12wlh1c5m6prvb7wpgnnrm8lys20z5qp5f2r";
+    sha256 = "12c584a63ea6ddbb9253094ad500bc6b046903a6";
   };
 
 
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/3.x.nix b/pkgs/applications/networking/mailreaders/thunderbird/3.x.nix
index c243c66c8e4..f6b08ebeb65 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/3.x.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/3.x.nix
@@ -11,14 +11,14 @@
     
 }:
 
-let version = "3.1"; in
+let version = "3.1.1"; in
 
 stdenv.mkDerivation {
   name = "thunderbird-${version}";
 
   src = fetchurl {
     url = "http://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/${version}/source/thunderbird-${version}.source.tar.bz2";
-    sha1 = "89e9d8099a5437ce401577fc4d526eb0dd9e51da";
+    sha1 = "8e25fd786fbe094c3f4d9bc4e18285701bd42279";
   };
 
   buildInputs =