diff --git a/package.json b/package.json
index fd4bd93..d4d5527 100644
--- a/package.json
+++ b/package.json
@@ -44,9 +44,9 @@
     "@types/jest": "27.5.2",
     "jest": "27.5.1",
     "ts-jest": "27.1.5",
-    "ts-node": "10.9.1",
-    "typedoc": "0.23.20",
-    "typescript": "4.8.4"
+    "ts-node": "10.9.2",
+    "typedoc": "0.27.6",
+    "typescript": "4.9.5"
   },
   "dependencies": {
     "@stencila/executa": "^1.15.4",