diff --git a/package-lock.json b/package-lock.json
index 328e581..5d38b3d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2214,7 +2214,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2629,7 +2630,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2685,6 +2687,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2728,12 +2731,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5416,9 +5421,9 @@
       }
     },
     "sinon-chai": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.3.0.tgz",
-      "integrity": "sha512-r2JhDY7gbbmh5z3Q62pNbrjxZdOAjpsqW/8yxAZRSqLZqowmfGZPGUZPFf3UX36NLis0cv8VEM5IJh9HgkSOAA==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.5.0.tgz",
+      "integrity": "sha512-IifbusYiQBpUxxFJkR3wTU68xzBN0+bxCScEaKMjBvAQERg6FnTTc1F17rseLb1tjmkJ23730AXpFI0c47FgAg==",
       "dev": true
     },
     "sisteransi": {