--- a/toolkit/components/extensions/schemas/extension_protocol_handlers.json
+++ b/toolkit/components/extensions/schemas/extension_protocol_handlers.json
@@ -11,18 +11,18 @@
             "description": "A user-readable title string for the protocol handler. This will be displayed to the user in interface objects as needed.",
             "type": "string"
           },
           "protocol": {
             "description": "The protocol the site wishes to handle, specified as a string. For example, you can register to handle SMS text message links by registering to handle the \"sms\" scheme.",
             "choices": [{
               "type": "string",
               "enum": [
-                "bitcoin", "geo", "gopher", "im", "irc", "ircs", "magnet",
-                "mailto", "mms", "news", "nntp", "sip", "sms", "smsto", "ssh",
+                "bitcoin", "dat", "dweb", "geo", "gopher", "im", "ipfs", "ipns", "irc", "ircs", "magnet",
+                "mailto", "mms", "news", "nntp", "sip", "sms", "smsto", "ssb", "ssh",
                 "tel", "urn", "webcal", "wtai", "xmpp"
               ]
             }, {
               "type": "string",
               "pattern": "^(ext|web)\\+[a-z0-9.+-]+$"
             }]
           },
           "uriTemplate": {