diff --git a/package-lock.json b/package-lock.json
index 05313bc..5954b47 100644
--- a/package-lock.json
+++ b/package-lock.json
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     "serve-static": {
-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.0.tgz",
-      "integrity": "sha1-gQyR24AOlLoofq5rTgbKq5/cFvE=",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
       "requires": {
-        "encodeurl": "~1.0.1",
+        "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
-        "parseurl": "~1.3.2",
-        "send": "0.16.0"
+        "parseurl": "~1.3.3",
+        "send": "0.17.2"
       }
     },
     "servify": {
@@ -8043,6 +8160,11 @@
         "repeat-string": "^1.6.1"
       }
     },
+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
     "toposort-class": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
diff --git a/package.json b/package.json
index b7ad9dc..9692229 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "ethereumjs-tx": "^1.3.7",
     "ethereumjs-wallet": "0.6.2",
     "events": "^3.0.0",
-    "express": "4.16.0",
+    "express": "4.17.3",
     "express-session": "^1.15.6",
     "express-toastr": "^2.0.2",
     "express-validator": "5.3.0",