diff --git a/day-1/package-lock.json b/day-1/package-lock.json
index 19d925e..4790cfa 100644
--- a/day-1/package-lock.json
+++ b/day-1/package-lock.json
@@ -6837,9 +6837,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.18",
-      "resolved": "https://registry.npm.taobao.org/postcss/download/postcss-7.0.18.tgz",
-      "integrity": "sha1-S5zala5sBpxnpNkzAp7d1IOKwjM=",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",
@@ -6849,8 +6849,8 @@
       "dependencies": {
         "source-map": {
           "version": "0.6.1",
-          "resolved": "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz",
-          "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM=",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         }
       }