diff --git a/package.json b/package.json
index 581262a..d6e202c 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,6 @@
     "web-ext": "github:ueokande/web-ext#patched-2.6.0",
     "webextensions-api-fake": "^0.5.1",
     "webpack": "^4.8.3",
-    "webpack-cli": "^2.1.3"
+    "webpack-cli": "^3.0.7"
   }
 }