diff --git a/SUPPORTED_LANGUAGES.md b/SUPPORTED_LANGUAGES.md
index deeb621bcf..7ffa8f7a23 100644
--- a/SUPPORTED_LANGUAGES.md
+++ b/SUPPORTED_LANGUAGES.md
@@ -42,6 +42,7 @@ Languages that listed a **Package** below are 3rd party languages and are not bu
 | Cap’n Proto             | capnproto, capnp       |         |
 | Clojure                 | clojure, clj           |         |
 | CoffeeScript            | coffeescript, coffee, cson, iced | |
+| CpcdosC+                | cpc                    | [highlightjs-cpcdos](https://github.com/SPinti-Software/highlightjs-cpcdos) |
 | Crmsh                   | crmsh, crm, pcmk       |         |
 | Crystal                 | crystal, cr            |         |
 | Cypher (Neo4j)          | cypher                 | [highlightjs-cypher](https://github.com/highlightjs/highlightjs-cypher) |