diff --git a/package-lock.json b/package-lock.json
index c7a5c91..e378881 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,13 +11,30 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
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@@ -1697,15 +1749,15 @@
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-      "integrity": "sha1-V4O04cRZ8G+lyif5kfPQbnoxA1k=",
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@@ -2304,11 +2348,6 @@
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@@ -2359,9 +2398,9 @@
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-        "content-type": "1.0.4",
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@@ -2916,17 +2968,20 @@
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@@ -2972,7 +3027,8 @@
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@@ -2998,7 +3054,8 @@
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@@ -3081,6 +3140,7 @@
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@@ -3093,7 +3153,8 @@
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diff --git a/package.json b/package.json
index 961fb7b..c4322df 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "css-loader": "^0.28.0",
     "cssnano": "^3.10.0",
     "eventsource-polyfill": "^0.9.6",
-    "express": "^4.14.1",
+    "express": "^4.17.3",
     "extract-text-webpack-plugin": "^2.0.0",
     "file-loader": "^0.11.1",
     "friendly-errors-webpack-plugin": "^1.1.3",