diff --git a/package-lock.json b/package-lock.json
index daa0de5..e1888b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,8 +42,8 @@
         "tempy": "3.0.0",
         "ts-jest": "28.0.8",
         "ts-node": "10.9.1",
-        "typedoc": "0.23.15",
-        "typescript": "4.8.3"
+        "typedoc": "0.23.17",
+        "typescript": "4.8.4"
       },
       "peerDependencies": {
         "@stencila/schema": "^1.9.0"
@@ -11275,9 +11275,9 @@
       }
     },
     "node_modules/typedoc": {
-      "version": "0.23.15",
-      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.23.15.tgz",
-      "integrity": "sha512-x9Zu+tTnwxb9YdVr+zvX7LYzyBl1nieOr6lrSHbHsA22/RJK2m4Y525WIg5Mj4jWCmfL47v6f4hUzY7EIuwS5w==",
+      "version": "0.23.17",
+      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.23.17.tgz",
+      "integrity": "sha512-3rtNubo1dK0pvs6ixpMAq4pESULd5/JNUqJbdyZoeilI14reb1RNVomN4fMgIadd0RMX1aenYjJSSMBOJ+/+0Q==",
       "dev": true,
       "dependencies": {
         "lunr": "^2.3.9",
@@ -11317,9 +11317,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.3.tgz",
-      "integrity": "sha512-goMHfm00nWPa8UvR/CPSvykqf6dVV8x/dp0c5mFTMTIu0u0FlGWRioyy7Nn0PGAdHxpJZnuO/ut+PpQ8UiHAig==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -20235,9 +20235,9 @@
       }
     },
     "typedoc": {
-      "version": "0.23.15",
-      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.23.15.tgz",
-      "integrity": "sha512-x9Zu+tTnwxb9YdVr+zvX7LYzyBl1nieOr6lrSHbHsA22/RJK2m4Y525WIg5Mj4jWCmfL47v6f4hUzY7EIuwS5w==",
+      "version": "0.23.17",
+      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.23.17.tgz",
+      "integrity": "sha512-3rtNubo1dK0pvs6ixpMAq4pESULd5/JNUqJbdyZoeilI14reb1RNVomN4fMgIadd0RMX1aenYjJSSMBOJ+/+0Q==",
       "dev": true,
       "requires": {
         "lunr": "^2.3.9",
@@ -20267,9 +20267,9 @@
       }
     },
     "typescript": {
-      "version": "4.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.3.tgz",
-      "integrity": "sha512-goMHfm00nWPa8UvR/CPSvykqf6dVV8x/dp0c5mFTMTIu0u0FlGWRioyy7Nn0PGAdHxpJZnuO/ut+PpQ8UiHAig==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 771960b..b2b1926 100644
--- a/package.json
+++ b/package.json
@@ -66,8 +66,8 @@
     "tempy": "3.0.0",
     "ts-jest": "28.0.8",
     "ts-node": "10.9.1",
-    "typedoc": "0.23.15",
-    "typescript": "4.8.3"
+    "typedoc": "0.23.17",
+    "typescript": "4.8.4"
   },
   "jest": {
     "preset": "ts-jest",