diff --git a/www-client/firefox/firefox-131.0.3.ebuild b/www-client/firefox/firefox-131.0.3.ebuild
index f38e59b137959..e746e07abc335 100644
--- a/www-client/firefox/firefox-131.0.3.ebuild
+++ b/www-client/firefox/firefox-131.0.3.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 FIREFOX_PATCHSET="firefox-131-patches-01.tar.xz"
 
-LLVM_COMPAT=( 17 18 )
+LLVM_COMPAT=( 17 18 19 )
 
 PYTHON_COMPAT=( python3_{10..12} )
 PYTHON_REQ_USE="ncurses,sqlite,ssl"