diff --git a/srcpkgs/polari/template b/srcpkgs/polari/template
index f2f80a2e541..ec369387997 100644
--- a/srcpkgs/polari/template
+++ b/srcpkgs/polari/template
@@ -7,7 +7,7 @@ hostmakedepends="pkg-config itstool gobject-introspection gettext"
 makedepends="gjs-devel gspell-devel gtk+3-devel libsecret-devel
  libsoup-gnome-devel telepathy-glib-devel telepathy-logger-devel"
 depends="gspell telepathy-idle telepathy-logger telepathy-mission-control"
-checkdepends="appstream-glib desktop-file-utils mozjs60"
+checkdepends="appstream-glib desktop-file-utils mozjs78"
 short_desc="GNOME IRC client"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-2.0-or-later"