diff --git a/src/manifest.json b/src/manifest.json
index 7c2f65a..e9914c3 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -34,7 +34,7 @@
 	},
 	"browser_specific_settings": {
 		"gecko": {
-			"strict_min_version": "48.0"
+			"strict_min_version": "57.0"
 		}
 	}
 }