diff --git a/package-lock.json b/package-lock.json
index 27c652b..3aa32ea 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha512-QFzUah88GAGy9lyDKGBqZdkYApt63rCXYBGYnEP4xDJPXNqXXnBDACnbrXnViV6jRSqAePwrATi2i8mfYm4L1A==",
+      "requires": {
+        "camelcase": "^1.0.2",
+        "cliui": "^2.1.0",
+        "decamelize": "^1.0.0",
+        "window-size": "0.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index aaa2acf..fee22c7 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "crypto-random-string": "^3.0.1",
     "debug": "~2.6.9",
     "depd": "^2.0.0",
-    "express": "~4.16.1",
+    "express": "~4.17.3",
     "express-session": "^1.16.1",
     "formidable": "^1.2.1",
     "fs": "^0.0.1-security",