diff --git a/package-lock.json b/package-lock.json
index 92a4bd0..52f94c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
         "cors": "^2.8.5",
         "dotenv": "^8.2.0",
         "ecstatic": "^4.1.4",
-        "express": "^4.17.1",
+        "express": "^4.17.3",
         "express-session": "^1.17.1",
         "http-server": "^0.12.3",
         "morgan": "^1.10.0",
@@ -88,12 +88,12 @@
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+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
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-        "negotiator": "0.6.2"
+        "mime-types": "~2.1.34",
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@@ -317,20 +317,20 @@
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+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.2.tgz",
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+        "bytes": "3.1.2",
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-        "http-errors": "1.7.2",
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+        "qs": "6.9.7",
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@@ -431,9 +431,9 @@
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@@ -725,16 +725,35 @@
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+        "safe-buffer": "5.2.1"
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+    "node_modules/content-disposition/node_modules/safe-buffer": {
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
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@@ -744,9 +763,9 @@
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+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
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@@ -854,7 +873,7 @@
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@@ -1002,14 +1021,6 @@
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@@ -1087,7 +1098,7 @@
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-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
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@@ -1107,16 +1118,16 @@
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+      "resolved": "https://registry.npmjs.org/express/-/express-4.17.3.tgz",
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+        "accepts": "~1.3.8",
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-        "body-parser": "1.19.0",
-        "content-disposition": "0.5.3",
+        "body-parser": "1.19.2",
+        "content-disposition": "0.5.4",
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+        "cookie": "0.4.2",
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@@ -1130,13 +1141,13 @@
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         "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "~2.0.5",
-        "qs": "6.7.0",
+        "proxy-addr": "~2.0.7",
+        "qs": "6.9.7",
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-        "safe-buffer": "5.1.2",
-        "send": "0.17.1",
-        "serve-static": "1.14.1",
-        "setprototypeof": "1.1.1",
+        "safe-buffer": "5.2.1",
+        "send": "0.17.2",
+        "serve-static": "1.14.2",
+        "setprototypeof": "1.2.0",
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         "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
@@ -1199,6 +1210,25 @@
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
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-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
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@@ -1488,15 +1518,15 @@
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-        "setprototypeof": "1.1.1",
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@@ -1652,9 +1682,9 @@
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-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
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@@ -1969,19 +1999,19 @@
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+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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@@ -2104,9 +2134,9 @@
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@@ -2634,11 +2664,14 @@
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
       }
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@@ -2658,12 +2691,12 @@
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-        "http-errors": "1.7.2",
+        "bytes": "3.1.2",
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@@ -2841,9 +2874,9 @@
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@@ -2852,9 +2885,9 @@
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         "fresh": "0.5.2",
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@@ -2875,9 +2908,9 @@
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@@ -5923,9 +5965,9 @@
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         "fresh": "0.5.2",
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@@ -5937,9 +5979,9 @@
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+          "version": "2.1.3",
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@@ -5998,14 +6040,14 @@
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-      "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",
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         "parseurl": "~1.3.3",
-        "send": "0.17.1"
+        "send": "0.17.2"
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@@ -6014,9 +6056,9 @@
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-      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
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+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
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@@ -6201,9 +6243,9 @@
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-      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
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diff --git a/package.json b/package.json
index 7c05241..4113c7a 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",
     "ecstatic": "^4.1.4",
-    "express": "^4.17.1",
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     "express-session": "^1.17.1",
     "http-server": "^0.12.3",
     "morgan": "^1.10.0",