diff --git a/wasm/src/lib.rs b/wasm/src/lib.rs
index c9aea2d..3d8dfc8 100644
--- a/wasm/src/lib.rs
+++ b/wasm/src/lib.rs
@@ -420,6 +420,7 @@ export type TiktokenModel =
     | "gpt-4-vision-preview"
     | "gpt-4o"
     | "gpt-4o-2024-05-13"
+    | "gpt-4o-mini-2024-07-18"
     | "gpt-4o-mini"
 
 /**