diff --git a/configs/macos/mozconfig b/configs/macos/mozconfig
index a4c359bc0..4b2e503ea 100644
--- a/configs/macos/mozconfig
+++ b/configs/macos/mozconfig
@@ -7,6 +7,10 @@ unset MOZ_STDCXX_COMPAT
 ac_add_options --disable-dmd
 ac_add_options --enable-eme=widevine
 
+if test "$ZEN_RELEASE"; then
+  ac_add_options --with-macos-sdk=/Library/Developer/CommandLineTools/SDKs/MacOSX26.4.sdk
+fi
+
 if test "$ZEN_RELEASE"; then
   if ! test "$ZEN_GA_DISABLE_PGO"; then
     if test "$ZEN_GA_GENERATE_PROFILE"; then