diff --git a/package-lock.json b/package-lock.json
index a3c8c67..9c1a404 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": "4.3.7",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.7.tgz",
+      "integrity": "sha512-HLnAzZ2iupm25PlN0xFreAlBA5zaBSv3og0DdeGA4Ar6h6rJ3A0rolRUKJhSF2V10GZKDgWF/VmAEsNWjCRB+A==",
       "requires": {
-        "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": "^4.1.2",
+        "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 @@
         "superagent": "1.2.x"
       }
     },
+    "check-error": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "integrity": "sha512-BrgHpW9NURQgzoNyjfq0Wu6VFO6D7IZEmJNdtgNqpzGG8RuNFHt2jQxWlAs4HMe119chBnv+34syEZtc6IhLtA=="
+    },
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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": "4.1.2",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.2.tgz",
+      "integrity": "sha512-gT18+YW4CcW/DBNTwAmqTtkJh7f9qqScu2qFVlx7kCoeY9tlBu9cUcr7+I+Z/noG8INehS3xQgLpTtd/QUTn4w==",
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-      "dependencies": {
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-          "version": "0.1.1",
-          "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
-          "integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI="
-        }
+        "type-detect": "^4.0.0"
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@@ -334,6 +336,11 @@
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       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
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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": "sha512-Hm0ixYtaSZ/V7C8FJrtZIuBBI+iSgL+1Aq82zSu8VQNB4S3Gk8e7Qs3VwBDJAhmRZcFqkl3tQu36g/Foh5I5ig=="
+    },
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       "version": "3.2.11",
       "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
@@ -424,6 +431,14 @@
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+    "loupe": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.6.tgz",
+      "integrity": "sha512-RaPMZKiMy8/JruncMU5Bt6na1eftNoo++R4Y+N2FrxkDVTrGvcyzFTsaGif4QTeKESheMGegbhw6iUAq+5A8zA==",
+      "requires": {
+        "get-func-name": "^2.0.0"
+      }
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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": {
       "version": "1.0.7",
       "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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diff --git a/package.json b/package.json
index 38fe493..8e61732 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": "^4.3.7",
     "chai-http": "^2.0.1",
     "ejs": "^2.4.1",
     "express": "^4.13.4",