diff --git a/core/util/treeSitter.ts b/core/util/treeSitter.ts
index a308cacb3a..4a54f20445 100644
--- a/core/util/treeSitter.ts
+++ b/core/util/treeSitter.ts
@@ -8,6 +8,14 @@ export const supportedLanguages: { [key: string]: string } = {
   cc: "cpp",
   cxx: "cpp",
   hxx: "cpp",
+  cp: "cpp",
+  hh: "cpp",
+  inc: "cpp",
+  // Depended on this PR: https://github.com/tree-sitter/tree-sitter-cpp/pull/173
+  // ccm: "cpp",
+  // c++m: "cpp",
+  // cppm: "cpp",
+  // cxxm: "cpp",
   cs: "c_sharp",
   c: "c",
   h: "c",