diff --git a/package-lock.json b/package-lock.json
index 94cede3..ed0f199 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6855,9 +6855,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
-      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
+      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 58134c3..47fbc01 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ts-node": "^9.1.1",
     "tslint": "^5.20.1",
     "typedoc": "^0.20.36",
-    "typescript": "^4.1.5"
+    "typescript": "^4.2.4"
   },
   "prettier": "@relaycorp/shared-config/.prettierrc.json",
   "publishConfig": {