diff --git a/firefox/.md5sum b/firefox/.md5sum
index a109edfb5..b4ded5e85 100644
--- a/firefox/.md5sum
+++ b/firefox/.md5sum
@@ -1,2 +1,2 @@
-54d73156dfedc6e4981f2a3c46817f9a  firefox-3.5.6.source.tar.bz2
-cadce3b61394b80e6eb072d8e6d28b2c  mozconfig
+82e6f568ddeaae52e85aa089277f5d14  firefox-3.5.7.source.tar.bz2
+681c457219a30a6fca4fc7ff46a21fd3  mozconfig
diff --git a/firefox/Pkgfile b/firefox/Pkgfile
index 2544b95e6..48231bd41 100644
--- a/firefox/Pkgfile
+++ b/firefox/Pkgfile
@@ -4,7 +4,7 @@
 # Depends on: xulrunner
 
 name=firefox
-version=3.5.6
+version=3.5.7
 release=1
 source=(http://releases.mozilla.org/pub/mozilla.org/$name/releases/$version/source/$name-$version.source.tar.bz2
         mozconfig)
diff --git a/firefox/mozconfig b/firefox/mozconfig
index 13d4f8d93..d1215395e 100644
--- a/firefox/mozconfig
+++ b/firefox/mozconfig
@@ -16,7 +16,7 @@ ac_add_options --with-system-jpeg
 ac_add_options --with-system-zlib
 ac_add_options --with-system-mng
 ac_add_options --with-pthreads
-ac_add_options --with-libxul-sdk=/usr/lib/xulrunner-devel-1.9.1.6
+ac_add_options --with-libxul-sdk=/usr/lib/xulrunner-devel-1.9.1.7
 ac_add_options --enable-system-cairo
 ac_add_options --enable-optimize="#CFLAGS#"
 ac_add_options --enable-official-branding