diff --git a/package-lock.json b/package-lock.json
index 0e8c91c..f83bab1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,22 +34,22 @@
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@@ -397,7 +391,7 @@
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@@ -713,6 +707,12 @@
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@@ -842,13 +842,10 @@
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-      "dev": true,
-      "requires": {
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+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.1.0.tgz",
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+      "dev": true
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@@ -903,12 +900,6 @@
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@@ -931,14 +922,13 @@
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-      "resolved": "https://registry.npmjs.org/magicpen/-/magicpen-5.5.0.tgz",
-      "integrity": "sha1-wmSFVCDVfW3VzhufgQSp177uDEk=",
+      "version": "6.2.4",
+      "resolved": "https://registry.npmjs.org/magicpen/-/magicpen-6.2.4.tgz",
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-        "color-diff": "0.1.7",
-        "supports-color": "1.2.0"
+        "color-diff": "0.1.7"
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@@ -1090,12 +1080,6 @@
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@@ -1278,10 +1262,10 @@
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       "dev": true,
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-        "is-finite": "1.0.2"
+        "is-finite": "^1.0.0"
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@@ -1413,12 +1397,6 @@
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@@ -1489,6 +1467,12 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/ukkonen/-/ukkonen-2.1.0.tgz",
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@@ -1496,28 +1480,35 @@
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-      "resolved": "https://registry.npmjs.org/unexpected/-/unexpected-10.8.2.tgz",
-      "integrity": "sha1-2RLfw4571569uLvwZS7ai/CRmL8=",
+      "version": "13.1.0",
+      "resolved": "https://registry.npmjs.org/unexpected/-/unexpected-13.1.0.tgz",
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-        "array-changes-async": "2.0.2",
-        "bluebird": "2.9.34",
+        "array-changes": "3.0.1",
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-        "diff": "1.1.0",
-        "leven": "1.0.0",
-        "magicpen": "5.5.0"
+        "diff": "^5.0.0",
+        "greedy-interval-packer": "1.2.0",
+        "magicpen": "^6.2.4",
+        "ukkonen": "^2.1.0",
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-          "integrity": "sha1-eYpJOBqkZBUem08Ob/Kwmooa0j8=",
+          "version": "5.1.0",
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+    "unexpected-bluebird": {
+      "version": "2.9.34-longstack2",
+      "resolved": "https://registry.npmjs.org/unexpected-bluebird/-/unexpected-bluebird-2.9.34-longstack2.tgz",
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diff --git a/package.json b/package.json
index 4420b34..d2dad79 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
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-    "unexpected": "10.8.2"
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     "dist": "mkdir -p dist && browserify ./lib/HttpError.js -s HttpError | ./node_modules/.bin/uglifyjs -mc > ./dist/httpErrors.js && cp dist/httpErrors.js dist/HttpError.js",