diff --git a/firefox/.md5sum b/firefox/.md5sum
index 2fa453111..24831a2f0 100644
--- a/firefox/.md5sum
+++ b/firefox/.md5sum
@@ -1,3 +1,3 @@
-733e8503d2241ef44dad1911085b60db  firefox-51.0.source.tar.xz
+05d8d655983d21d5059d5c886b2e6a9c  firefox-51.0.1.source.tar.xz
 afe61c7760e835bd12d5dfd40af4ec84  firefox-install-dir.patch
 cf6971669f70b440cb6ff8df8b2722ae  firefox.desktop
diff --git a/firefox/Pkgfile b/firefox/Pkgfile
index 111dc1f6c..57af2b4ed 100644
--- a/firefox/Pkgfile
+++ b/firefox/Pkgfile
@@ -4,7 +4,7 @@
 # Depends on: nss, autoconf-2.13, unzip, zip, libidl, gtk, gtk3, python, alsa-lib, xorg-libxt, yasm, mesa3d
  
 name=firefox
-version=51.0
+version=51.0.1
 release=1
 source=(http://ftp.mozilla.org/pub/firefox/releases/$version/source/firefox-$version.source.tar.xz
 	firefox-install-dir.patch firefox.desktop)