diff --git a/package-lock.json b/package-lock.json
index a3c8c67..1c74dd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -91,13 +91,17 @@
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     "chai": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
-      "integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
+      "version": "4.3.6",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.6.tgz",
+      "integrity": "sha512-bbcp3YfHCUzMOvKqsztczerVgBKSsEijCySNlHHbX3VG1nskvqjz5Rfso1gGwD6w6oOV3eI60pKuMOV5MV7p3Q==",
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-        "assertion-error": "^1.0.1",
-        "deep-eql": "^0.1.3",
-        "type-detect": "^1.0.0"
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.2",
+        "deep-eql": "^3.0.1",
+        "get-func-name": "^2.0.0",
+        "loupe": "^2.3.1",
+        "pathval": "^1.1.1",
+        "type-detect": "^4.0.5"
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     "chai-http": {
@@ -112,6 +116,11 @@
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       }
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+    "check-error": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII="
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@@ -172,18 +181,11 @@
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-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
-      "integrity": "sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+      "integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
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-          "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
-          "integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI="
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+        "type-detect": "^4.0.0"
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@@ -334,6 +336,11 @@
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+    "get-func-name": {
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+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
+      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE="
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       "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
@@ -424,6 +431,14 @@
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+    "loupe": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.1.tgz",
+      "integrity": "sha512-EN1D3jyVmaX4tnajVlfbREU4axL647hLec1h/PXAb8CPDMJiYitcWF2UeLVNttRqaIqQs4x+mRvXf+d+TlDrCA==",
+      "requires": {
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+      }
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       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
@@ -621,6 +636,11 @@
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       "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
     },
+    "pathval": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
+      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ=="
+    },
     "process-nextick-args": {
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       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
@@ -815,9 +835,9 @@
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     "type-detect": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
-      "integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI="
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g=="
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     "type-is": {
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diff --git a/package.json b/package.json
index 38fe493..01c2360 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Node.js sample app for OpenShift 3",
   "main": "server.js",
   "dependencies": {
-    "chai": "^3.5.0",
+    "chai": "^4.3.6",
     "chai-http": "^2.0.1",
     "ejs": "^2.4.1",
     "express": "^4.13.4",