diff --git a/package.json b/package.json
index adc3397..c764ff0 100755
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
         "@hapi/hoek": "9.x.x"
     },
     "devDependencies": {
-        "@hapi/lab": "23.x.x"
+        "@hapi/lab": "24.x.x",
+        "typescript": "~4.0.2"
     },
     "scripts": {
         "test": "lab -t 100 -L -Y",