diff --git a/package.json b/package.json
index 9adb39fefcaa6a5361a1c3d79f10485ce6320b49..7974b21e753f5fb2d1a5e642504d71ce7276b215 100644
--- a/package.json
+++ b/package.json
@@ -7,9 +7,11 @@
     "fix-memory-limit": "cross-env LIMIT=8192 increase-memory-limit"
   },
   "devDependencies": {
+    "cross-env": "^7.0.3",
+    "increase-memory-limit": "^1.0.7",
+    "moment": "^2.29.1",
     "vuepress": "^1.9.7",
     "vuepress-plugin-autometa": "^0.1.13",
-    "vuepress-plugin-sitemap": "^2.3.1",
-    "moment": "^2.29.1"
+    "vuepress-plugin-sitemap": "^2.3.1"
   }
 }