diff --git a/package-lock.json b/package-lock.json
index a26f919..f26fd39 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      "dev": true,
       "requires": {
         "media-typer": "0.3.0",
         "mime-types": "~2.1.18"
diff --git a/package.json b/package.json
index 8745013..325050c 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "chartist": "0.11.0",
     "classlist.js": "1.1.20150312",
     "core-js": "2.4.1",
-    "express": "4.16.3",
+    "express": "4.17.3",
     "googleapis": "28.1.0",
     "hammerjs": "2.0.8",
     "jquery": "3.2.1",