diff --git a/src/manifest.json b/src/manifest.json
index df7a337..fe66bf0 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -21,7 +21,7 @@
     "background": {
         "{{chrome}}.service_worker": "src/background/main.ts",
         "{{firefox}}.scripts": ["src/background/main.ts"],
-        "{{firefox}}.persistent": false
+        "{{firefox}}.persistent": true
     },
 
     "options_ui": {