diff --git a/packages/dredd/package.json b/packages/dredd/package.json
index 6470efd56..f125c8bff 100644
--- a/packages/dredd/package.json
+++ b/packages/dredd/package.json
@@ -78,7 +78,7 @@
     "ps-node": "0.1.6",
     "sinon": "9.2.1",
     "ts-node": "8.10.2",
-    "typescript": "3.8.3"
+    "typescript": "4.9.5"
   },
   "keywords": [
     "api",
diff --git a/yarn.lock b/yarn.lock
index 1103aa495..aa6c45c7a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7243,10 +7243,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@4.9.5:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"