diff --git a/.gitignore b/.gitignore
index df72ca5..8a62f6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,4 @@
 /https-everywhere-5.2.21-eff.xpi
 /https-everywhere-2017.8.15-eff.xpi
 /https-everywhere-2017.8.19-eff.xpi
+/https-everywhere-2017.8.31-eff.xpi
diff --git a/sources b/sources
index c5c593d..19e8e53 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (https-everywhere-2017.8.19-eff.xpi) = 071614b41fc4231adc0e4997a3bab01e2e3fc2a22ac4987d7dd3abe4cbaa1a6855d5276d3aa8060c6c4c0240a5de0fab4b9db514bb383db3877f2ee1b5576974
+SHA512 (https-everywhere-2017.8.31-eff.xpi) = dc6ce2ef5dd58636c67d735a48748dc6ba75f4547bf080570d2cae240403ce848fcfdabe9602da5bfa8c2c010ee90d2d0715c205778822c28fdeaed009bad0a2