diff --git a/package.json b/package.json
index 1d31e24d..63bf2a57 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "prettier": "^2.2.1",
     "semantic-release": "^17.0.0",
     "ts-node": "^8.3.0",
-    "typescript": "^3.9.6"
+    "typescript": "^5.4.5"
   },
   "dependencies": {
     "@sourcegraph/extension-api-classes": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 25d5737b..bff6b951 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7007,15 +7007,10 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.9.6:
-  version "3.9.6"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.6.tgz#8f3e0198a34c3ae17091b35571d3afd31999365a"
-  integrity sha512-Pspx3oKAPJtjNwE92YS05HQoY7z2SFyOpHo9MqJor3BXAGNaPUs83CuVp9VISFkSjyRfiTpmKuAYGJB7S7hOxw==
-
-"typescript@^4.6.4 || ^5.0.0":
-  version "5.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.0.3.tgz#fe976f0c826a88d0a382007681cbb2da44afdedf"
-  integrity sha512-xv8mOEDnigb/tN9PSMTwSEqAnUvkoXMQlicOb0IUVDBSQCgBSaAAROUZYy2IcUy5qU6XajK5jjjO7TMWqBTKZA==
+"typescript@^4.6.4 || ^5.0.0", typescript@^5.4.5:
+  version "5.4.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.5.tgz#42ccef2c571fdbd0f6718b1d1f5e6e5ef006f611"
+  integrity sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==
 
 uglify-js@^3.1.4:
   version "3.5.6"