diff --git a/firefox.nix b/firefox.nix
index 0c7b8e5..a987bb9 100644
--- a/firefox.nix
+++ b/firefox.nix
@@ -5,7 +5,7 @@ let
   firefox-csshacks = pkgs.fetchFromGitHub {
     owner = "MrOtherGuy";
     repo = "firefox-csshacks";
-    rev = "467a53ee72e169a9cef54b8677738b71dffd1335";
+    rev = "7eca4b1050c4065130a2cf696302b4ef5d88d932";
     sparseCheckout = [ "!/*" "/chrome" "/content" ];
     hash = lib.fakeHash;
   };