diff --git a/package.json b/package.json
index 860215f4..53208d27 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1 || ^5.0.0",
-    "typescript": "^3.9"
+    "typescript": "^3.9 || ^4.0.0"
   },
   "devDependencies": {
     "@commitlint/cli": "12.1.4",