diff --git a/pkgs/applications/networking/browsers/firefox-bin/mozilla.asc b/pkgs/applications/networking/browsers/firefox-bin/mozilla.asc
new file mode 100644
index 00000000000..dc58eb8d56a
Binary files /dev/null and b/pkgs/applications/networking/browsers/firefox-bin/mozilla.asc differ
diff --git a/pkgs/applications/networking/browsers/firefox-bin/update.nix b/pkgs/applications/networking/browsers/firefox-bin/update.nix
index 03815a70332..6ee37eef2f8 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/update.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/update.nix
@@ -23,8 +23,10 @@ in writeScript "update-${name}" ''
   set -eux
   pushd ${basePath}
 
+  HOME=`mktemp -d`
   export GNUPGHOME=`mktemp -d`
-  gpg --keyserver hkps://gpg.mozilla.org --recv-keys 14F26682D0916CDD81E37B6D61B7B526D98F0353
+
+  gpg --import ${./mozilla.asc}
 
   tmpfile=`mktemp`
   url=${baseUrl}