diff --git a/package-lock.json b/package-lock.json
index 35e8d9866..85d65cc7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@sinonjs/formatio": {
+      "version": "2.0.0",
+      "resolved": "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
+      "integrity": "sha512-ls6CAMA6/5gG+O/IdsBcblvnd8qcO/l1TYoNeAzp3wcISOxlPXQEus0mLcdwazEkWjaBdaJ3TaxmNgCLWwvWzg==",
+      "dev": true,
+      "requires": {
+        "samsam": "1.3.0"
+      }
+    },
     "JSONStream": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.1.tgz",
@@ -1859,15 +1868,6 @@
         "mime-types": "2.1.15"
       }
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-    "formatio": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/formatio/-/formatio-1.2.0.tgz",
-      "integrity": "sha1-87IWfZBoxGmKjVH092CjmlTYGOs=",
-      "dev": true,
-      "requires": {
-        "samsam": "1.3.0"
-      }
-    },
     "fs-extra": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-3.0.1.tgz",
@@ -2658,6 +2658,12 @@
         "array-includes": "3.0.3"
       }
     },
+    "just-extend": {
+      "version": "1.1.27",
+      "resolved": "https://registry.npmjs.org/just-extend/-/just-extend-1.1.27.tgz",
+      "integrity": "sha512-mJVp13Ix6gFo3SBAy9U/kL+oeZqzlYYYLQBwXVBlVzIsZwBqGREnOro24oC/8s8aox+rJhtZ2DiQof++IrkA+g==",
+      "dev": true
+    },
     "kind-of": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
@@ -2808,6 +2814,12 @@
         "lodash._isiterateecall": "3.0.9"
       }
     },
+    "lodash.get": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
+      "dev": true
+    },
     "lodash.isarguments": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
@@ -2861,9 +2873,9 @@
       "dev": true
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     "lolex": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/lolex/-/lolex-1.6.0.tgz",
-      "integrity": "sha1-OpoCg0UqR9dDnnJzG54H1zhuSfY=",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.3.2.tgz",
+      "integrity": "sha512-A5pN2tkFj7H0dGIAM6MFvHKMJcPnjZsOMvR7ujCjfgW5TbV6H9vb1PgxLtHvjqNZTHsUolz+6/WEO0N1xNx2ng==",
       "dev": true
     },
     "loose-envify": {
@@ -3122,11 +3134,18 @@
       "integrity": "sha1-5P805slf37WuzAjeZZb0NgWn20U=",
       "dev": true
     },
-    "native-promise-only": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/native-promise-only/-/native-promise-only-0.8.1.tgz",
-      "integrity": "sha1-IKMYwwy0X3H+et+/eyHJnBRy7xE=",
-      "dev": true
+    "nise": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/nise/-/nise-1.3.2.tgz",
+      "integrity": "sha512-KPKb+wvETBiwb4eTwtR/OsA2+iijXP+VnlSFYJo3EHjm2yjek1NWxHOUQat3i7xNLm1Bm18UA5j5Wor0yO2GtA==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/formatio": "2.0.0",
+        "just-extend": "1.1.27",
+        "lolex": "2.3.2",
+        "path-to-regexp": "1.7.0",
+        "text-encoding": "0.6.4"
+      }
     },
     "node-fetch": {
       "version": "1.7.1",
@@ -4113,19 +4132,41 @@
       "dev": true
     },
     "sinon": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-2.4.1.tgz",
-      "integrity": "sha512-vFTrO9Wt0ECffDYIPSP/E5bBugt0UjcBQOfQUMh66xzkyPEnhl/vM2LRZi2ajuTdkH07sA6DzrM6KvdvGIH8xw==",
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.5.0.tgz",
+      "integrity": "sha512-trdx+mB0VBBgoYucy6a9L7/jfQOmvGeaKZT4OOJ+lPAtI8623xyGr8wLiE4eojzBS8G9yXbhx42GHUOVLr4X2w==",
       "dev": true,
       "requires": {
+        "@sinonjs/formatio": "2.0.0",
         "diff": "3.2.0",
-        "formatio": "1.2.0",
-        "lolex": "1.6.0",
-        "native-promise-only": "0.8.1",
-        "path-to-regexp": "1.7.0",
-        "samsam": "1.3.0",
-        "text-encoding": "0.6.4",
-        "type-detect": "4.0.3"
+        "lodash.get": "4.4.2",
+        "lolex": "2.3.2",
+        "nise": "1.3.2",
+        "supports-color": "5.3.0",
+        "type-detect": "4.0.8"
+      },
+      "dependencies": {
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
+          "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
+          "dev": true,
+          "requires": {
+            "has-flag": "3.0.0"
+          }
+        },
+        "type-detect": {
+          "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==",
+          "dev": true
+        }
       }
     },
     "slash": {
diff --git a/package.json b/package.json
index 6c5bf8d5c..b12a794c0 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "mocha": "^3.5.3",
     "multimatch": "^2.1.0",
     "node-sass": "^4.7.2",
-    "sinon": "^2.4.1",
+    "sinon": "^4.5.0",
     "universalify": "^0.1.1"
   }
 }