diff --git a/pkgs/applications/networking/browsers/firefox/update.nix b/pkgs/applications/networking/browsers/firefox/update.nix
index 1fe3366020ed..46e3a5cb4a95 100644
--- a/pkgs/applications/networking/browsers/firefox/update.nix
+++ b/pkgs/applications/networking/browsers/firefox/update.nix
@@ -22,7 +22,7 @@ writeScript "update-${attrPath}" ''
   set -eux
   HOME=`mktemp -d`
   export GNUPGHOME=`mktemp -d`
-  gpg --receive-keys 14F26682D0916CDD81E37B6D61B7B526D98F0353
+  gpg --receive-keys ADD7079479700DCADFDD5337E36D3B13F3D93274
 
   url=${baseUrl}