diff --git a/package.json b/package.json
index 07a3d07..b285fce 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "eslint": "5.16.0",
     "eslint-plugin-prettier": "3.1.2",
     "eslint-plugin-typescript": "0.14.0",
-    "lerna": "3.20.2",
+    "lerna": "3.21.0",
     "prettier": "1.19.1",
     "typescript-eslint-parser": "21.0.2"
   },