diff --git a/package.json b/package.json
index 451740a..bc0332f 100644
--- a/package.json
+++ b/package.json
@@ -186,9 +186,10 @@
     "@types/cors": "^2.8.12",
     "@types/eslint": "^8.4.2",
     "@types/express": "^4.17.13",
-    "@types/mocha": "^9.1.0",
+    "@types/mocha": "^10.0.0",
     "@types/node": "^17.0.21",
     "@types/portscanner": "^2.1.1",
+    "@types/winston": "^2.4.4",
     "@typescript-eslint/eslint-plugin": "^5.22.0",
     "@typescript-eslint/parser": "^5.22.0",
     "aegir": "^37.0.15",
diff --git a/test/logger.ts b/test/logger.ts
index a4cda49..ae96199 100644
--- a/test/logger.ts
+++ b/test/logger.ts
@@ -22,7 +22,7 @@ const logger = winston.createLogger({
       format: 'YYYY-MM-DD hh:mm:ss.SSS A'
     }),
     align(),
-    printf((info) => `[${info.timestamp as string}] ${info.level}: ${info.message}`)
+    printf((info) => `[${info.timestamp as string}] ${info.level}: ${info.message as string}`)
   ),
   transports: [
     new winston.transports.Console({ level: 'verbose' }),