diff --git a/package.json b/package.json
index 60cb9056..643c7d56 100644
--- a/package.json
+++ b/package.json
@@ -99,6 +99,7 @@
     "deepword": "^6.0.0",
     "dword": "^11.0.0",
     "edward": "^11.0.0",
+    "es6-promisify": "^6.0.1",
     "execon": "^1.2.0",
     "express": "^4.13.0",
     "files-io": "^3.0.0",
@@ -156,7 +157,6 @@
     "domtokenlist-shim": "^1.2.0",
     "emitify": "^3.0.2",
     "es6-promise": "^4.0.5",
-    "es6-promisify": "^6.0.0",
     "eslint": "^6.0.0-alpha",
     "eslint-plugin-node": "^9.0.1",
     "eslint-plugin-putout": "^1.0.1",