diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index c0cfcf412c5..6e39904d27b 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -94,7 +94,7 @@ let
 
   browserPatches = [
     ./env_var_for_system_dir.patch
-  ] ++ lib.optionals (stdenv.isAarch64 && lib.versionAtLeast ffversion "66") [
+  ] ++ lib.optionals (stdenv.isAarch64 && lib.versionAtLeast ffversion "66" && lib.versionOlder ffversion "67") [
     (fetchpatch {
       url = "https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/09c7fa0dc1d87922e3b464c0fa084df1227fca79/extra/firefox/arm.patch";
       sha256 = "1vbpih23imhv5r3g21m3m541z08n9n9j1nvmqax76bmyhn7mxp32";
@@ -164,6 +164,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional gtk3Support wrapGAppsHook
     ++ lib.optionals stdenv.isDarwin [ xcbuild rsync ]
     ++ lib.optionals (lib.versionAtLeast ffversion "63.0") [ rust-cbindgen nodejs ]
+    ++ lib.optionals (lib.versionAtLeast ffversion "67.0") [ llvmPackages.llvm ] # llvm-objdump is required in version >=67.0
     ++ extraNativeBuildInputs;
 
   preConfigure = ''