diff --git a/extra/firefox/PKGBUILD b/extra/firefox/PKGBUILD
index d3e7c3723..13ff92590 100644
--- a/extra/firefox/PKGBUILD
+++ b/extra/firefox/PKGBUILD
@@ -7,7 +7,7 @@
 #  - patch to remove NEON/SIMD checks from configure
 
 pkgname=firefox
-pkgver=40.0.2
+pkgver=40.0.3
 pkgrel=1
 pkgdesc="Standalone web browser from mozilla.org"
 arch=('i686' 'x86_64')
@@ -32,7 +32,7 @@ source=(https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/$pkgver/source/
         vendor.js
         firefox-fixed-loading-icon.png
         no-neon.patch)
-sha256sums=('057dd75d6fb4fd264cd175788518d458cb7792fd905a6fa450968526305121fd'
+sha256sums=('56ab32bfa070a1d86d356ad14ce74252b38dab9307948de8e4a3a2b7f3f22634'
             '11a16ea86073de5a6e7c1c665c954f0cf184932abbb55fc906ba1671e5b7162e'
             'c202e5e18da1eeddd2e1d81cb3436813f11e44585ca7357c4c5f1bddd4bec826'
             'd86e41d87363656ee62e12543e2f5181aadcff448e406ef3218e91865ae775cd'