diff --git a/package-lock.json b/package-lock.json
index c501e69..f488e7a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
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@@ -117,14 +117,14 @@
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@@ -149,7 +149,7 @@
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@@ -159,7 +159,7 @@
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@@ -224,24 +224,24 @@
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@@ -255,19 +255,50 @@
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-        "serve-static": "1.14.1",
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@@ -275,6 +306,67 @@
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+          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
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@@ -308,14 +400,14 @@
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
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@@ -378,12 +470,12 @@
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-      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
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@@ -439,14 +531,14 @@
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@@ -472,9 +564,9 @@
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@@ -482,9 +574,9 @@
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@@ -493,9 +585,9 @@
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@@ -512,26 +604,53 @@
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-      "version": "1.14.1",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
-      "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
       "requires": {
         "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
-        "send": "0.17.1"
+        "send": "0.17.2"
       }
     },
     "setprototypeof": {
@@ -644,12 +763,12 @@
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
     },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
     },
     "ws": {
       "version": "7.4.6",
diff --git a/package.json b/package.json
index febdcda..ddf8a45 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "axios": "^0.21.1",
     "body-parser": "^1.18.2",
-    "express": "^4.16.2",
+    "express": "^4.17.3",
     "socket.io": "^2.4.0"
   },
   "devDependencies": {},