diff --git a/package-lock.json b/package-lock.json
index 4318383..3e40fed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -86,15 +86,6 @@
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@@ -1351,12 +1340,6 @@
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@@ -2381,15 +2367,15 @@
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@@ -2397,37 +2383,40 @@
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@@ -2436,25 +2425,29 @@
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@@ -2463,13 +2456,15 @@
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@@ -2485,7 +2480,8 @@
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+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
+          "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
+          "requires": {
+            "hoek": "2.x.x"
+          }
+        },
+        "wreck": {
+          "version": "12.5.1",
+          "resolved": "https://registry.npmjs.org/wreck/-/wreck-12.5.1.tgz",
+          "integrity": "sha512-l5DUGrc+yDyIflpty1x9XuMj1ehVjC/dTbF3/BasOO77xk0EdEa4M/DuOY8W88MQDAD0fEDqyjc8bkIMHd2E9A==",
+          "dev": true,
+          "requires": {
+            "boom": "5.x.x",
+            "hoek": "4.x.x"
+          },
+          "dependencies": {
+            "boom": {
+              "version": "5.2.0",
+              "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
+              "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
+              "dev": true,
+              "requires": {
+                "hoek": "4.x.x"
+              }
+            },
+            "hoek": {
+              "version": "4.2.1",
+              "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz",
+              "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA==",
+              "dev": true
+            }
+          }
+        },
+        "xtend": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+          "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
         }
       }
     },
@@ -8884,33 +9203,6 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
-    "wreck": {
-      "version": "12.5.1",
-      "resolved": "https://registry.npmjs.org/wreck/-/wreck-12.5.1.tgz",
-      "integrity": "sha512-l5DUGrc+yDyIflpty1x9XuMj1ehVjC/dTbF3/BasOO77xk0EdEa4M/DuOY8W88MQDAD0fEDqyjc8bkIMHd2E9A==",
-      "dev": true,
-      "requires": {
-        "boom": "5.x.x",
-        "hoek": "4.x.x"
-      },
-      "dependencies": {
-        "boom": {
-          "version": "5.2.0",
-          "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
-          "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
-          "dev": true,
-          "requires": {
-            "hoek": "4.x.x"
-          }
-        },
-        "hoek": {
-          "version": "4.2.1",
-          "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz",
-          "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA==",
-          "dev": true
-        }
-      }
-    },
     "write": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
diff --git a/package.json b/package.json
index 53904df..24313e1 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,8 @@
     "yosay": "^2.0.1"
   },
   "jest": {
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "collectCoverage": true
   },
   "scripts": {
     "prepublish": "nsp check",