diff --git a/CHANGES.md b/CHANGES.md
index b1413c29a5..490b4831d5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -14,6 +14,7 @@ New Grammars:
 - added 3rd party L4 grammar to SUPPORTED_LANGUAGES [Thomas Gorissen][]
 - added 3rd party Bicep grammar to SUPPORTED_LANGUAGES [Anthony Martin][]
 - added 3rd party Abc Notation grammar to SUPPORTED_LANGUAGES [NriotHrreion][]
+- added 3rd party Igor Pro grammar to SUPPORTED_LANGUAGES [Ryne Andal][]
 
 Core Grammars:
 
@@ -55,6 +56,7 @@ CONTRIBUTORS
 [te-ing]: https://github.com/te-ing
 [Anthony Martin]: https://github.com/anthony-c-martin
 [NriotHrreion]: https://github.com/NriotHrreion
+[Ryne Andal]: https://github.com/ryneandal
 
 
 ## Version 11.11.1
diff --git a/SUPPORTED_LANGUAGES.md b/SUPPORTED_LANGUAGES.md
index c0a9ae6e58..514e5c9489 100644
--- a/SUPPORTED_LANGUAGES.md
+++ b/SUPPORTED_LANGUAGES.md
@@ -112,6 +112,7 @@ The table below shows the full list of languages (and corresponding classes/alia
 | HTTP                    | http, https            |         |
 | Hy                      | hy, hylang             |         |
 | Inform7                 | inform7, i7            |         |
+| Igor Pro                | igor, igorpro, ipf     | [highlightjs-igor-pro](https://github.com/HelloWorldDevs/highlightjs-igor-pro) |
 | Ini, TOML               | ini, toml              |         |
 | Iptables                | iptables               | [highlightjs-iptables](https://github.com/highlightjs/highlightjs-iptables) |
 | IRPF90                  | irpf90                 |         |