diff --git a/package.json b/package.json
index d9bd27c2..b46e56d4 100644
--- a/package.json
+++ b/package.json
@@ -147,7 +147,7 @@
     "sourcegraph": "^25.7.0",
     "ts-node": "^8.10.2",
     "tslint": "^5.11.0",
-    "typescript": "^4.1.2",
+    "typescript": "^5.8.3",
     "vscode-languageserver-types": "^3.14.0"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 5d3b1502..3edc8ac1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7326,11 +7326,16 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.1.2, typescript@^4.6.4:
+typescript@^4.6.4:
   version "4.9.3"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.3.tgz#3aea307c1746b8c384435d8ac36b8a2e580d85db"
   integrity sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==
 
+typescript@^5.8.3:
+  version "5.8.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.8.3.tgz#92f8a3e5e3cf497356f4178c34cd65a7f5e8440e"
+  integrity sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==
+
 uglify-js@^3.1.4:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.10.0.tgz#397a7e6e31ce820bfd1cb55b804ee140c587a9e7"