diff --git a/package-lock.json b/package-lock.json
index c00ae37e..b81f41b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1963,9 +1963,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.3.tgz",
+      "integrity": "sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 15213765..32db9961 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "build": "npm run tslint && npm run compile",
     "compile": "rimraf lib && tsc --outDir lib && prepend lib/cli.js '#!/usr/bin/env node\n'",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0 && git add CHANGELOG.md && git commit -m 'docs: update changelog'",
-    "documentation": "typedoc --includeDeclarations --excludeExternals --mode modules --out docs src",
+    "documentation": "typedoc --out docs --readme README.md --includeVersion --listInvalidSymbolLinks src",
     "prepublishOnly": "npm ci && npm run build",
     "postversion": "npm run changelog",
     "preversion": "npm run prepublishOnly",
@@ -41,7 +41,7 @@
     "prepend-file-cli": "1.0.6",
     "rimraf": "3.0.2",
     "typedoc": "0.21.9",
-    "typescript": "3.8.3"
+    "typescript": "4.4.3"
   },
   "peerDependencies": {
     "typescript": ">=3.8.3"
diff --git a/src/common.ts b/src/common.ts
index f8ff23f1..6b4cf32e 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -521,7 +521,7 @@ ${stringify(completeEntry)}`);
         }
       }
     } catch (error) {
-      consoleWarn(`Could not parse ${pathToCiConfig} because of '${error.message}'.
+      consoleWarn(`Could not parse ${pathToCiConfig} because of '${(error as Error).message}'.
 Please ensure consistency of CI config manually.
 ${stringify(rules.ciConfig)}`);
     }
@@ -795,6 +795,8 @@ export function getRules(configuration: Configuration): Rules {
       join('templates', '.npmignore'),
     );
   } else {
+    // tslint:disable-next-line:ban-ts-ignore
+    // @ts-ignore
     delete ciConfig[`package`];
   }