diff --git a/gnome-shell/firewall@subgraph.com/metadata.json b/gnome-shell/firewall@subgraph.com/metadata.json
index 35b30b3..c6c92fe 100644
--- a/gnome-shell/firewall@subgraph.com/metadata.json
+++ b/gnome-shell/firewall@subgraph.com/metadata.json
@@ -1,6 +1,6 @@
 {
   "description": "Firewall Extension",
-  "shell-version": ["3.18"],
+  "shell-version": ["3.18", "3.20"],
   "uuid": "firewall@subgraph.com",
   "name": "Firewall Extension",
   "settings-schema": "com.subgraph.firewall"