diff --git a/package.json b/package.json
index 406f3f40..b51cfc0c 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": "^3.9.10"
   },
   "dependencies": {
     "@sourcegraph/extension-api-classes": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 5b9389b4..ee0c5255 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7059,10 +7059,10 @@ 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@^3.9.10:
+  version "3.9.10"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.10.tgz#70f3910ac7a51ed6bef79da7800690b19bf778b8"
+  integrity sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==
 
 typescript@^4.6.4:
   version "4.7.2"