diff --git a/specs.json b/specs.json
index c2d9963e..36ef7864 100644
--- a/specs.json
+++ b/specs.json
@@ -822,6 +822,7 @@
   },
   "https://www.rfc-editor.org/rfc/rfc6386",
   "https://www.rfc-editor.org/rfc/rfc6454",
+  "https://www.rfc-editor.org/rfc/rfc6455",
   "https://www.rfc-editor.org/rfc/rfc6797",
   "https://www.rfc-editor.org/rfc/rfc7034",
   "https://www.rfc-editor.org/rfc/rfc7230",