diff --git a/Changelog.md b/Changelog.md
index 3d8dd60..a6bcc67 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -3,6 +3,11 @@ All updates to the Ryujinx official master build will be documented in this file
 
 For 1.0.x releases, see [here](https://github.com/Ryujinx/Ryujinx/wiki/Older-Changelog).
 
+## 1.1.818 - 2023-05-22
+### Added:
+- Implement p2rc, p2ri, p2rr and r2p.cc shaders.
+  - Implements the aforementioned missing shader instructions. These are used in The Legend of Zelda: Tears of the Kingdom, however it's not known what they affect, or if they affect anything at all.
+
 ## 1.1.817 - 2023-05-22
 ### Fixed:
 - Revert "Bump MVK Version to 1.2.3".