--- extensions/common/api/runtime.json.orig	2025-10-21 20:19:54 UTC
+++ extensions/common/api/runtime.json
@@ -85,7 +85,8 @@
             {"name": "android", "description": "Specifies the Android operating system."},
             {"name": "cros", "description": "Specifies the Chrome operating system."},
             {"name": "linux", "description": "Specifies the Linux operating system."},
-            {"name": "openbsd", "description": "Specifies the OpenBSD operating system."}
+            {"name": "openbsd", "description": "Specifies the OpenBSD operating system."},
+            {"name": "freebsd", "description": "Specifies the FreeBSD operating system."}
         ]
       },
       {
