diff --git a/package-lock.json b/package-lock.json
index 64dbb1b..5c9178f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
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+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
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-    "formatio": {
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-      "resolved": "https://registry.npmjs.org/formatio/-/formatio-1.2.0.tgz",
-      "integrity": "sha1-87IWfZBoxGmKjVH092CjmlTYGOs=",
-      "dev": true,
-      "requires": {
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@@ -743,9 +743,9 @@
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-      "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
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+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
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@@ -1048,9 +1048,9 @@
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-      "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.3.1.tgz",
-      "integrity": "sha512-mQuW55GhduF3ppo+ZRUTz1PRjEh1hS5BbqU7d8D0ez2OKxHDod7StPPeAVKisZR5aLkHZjdGWSL42LSONUJsZw==",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.3.2.tgz",
+      "integrity": "sha512-A5pN2tkFj7H0dGIAM6MFvHKMJcPnjZsOMvR7ujCjfgW5TbV6H9vb1PgxLtHvjqNZTHsUolz+6/WEO0N1xNx2ng==",
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@@ -1225,14 +1225,14 @@
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-      "resolved": "https://registry.npmjs.org/nise/-/nise-1.2.0.tgz",
-      "integrity": "sha512-q9jXh3UNsMV28KeqI43ILz5+c3l+RiNW8mhurEwCKckuHQbL+hTJIKKTiUlCPKlgQ/OukFvSnKB/Jk3+sFbkGA==",
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+      "resolved": "https://registry.npmjs.org/nise/-/nise-1.3.3.tgz",
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       "dev": true,
       "requires": {
-        "formatio": "1.2.0",
+        "@sinonjs/formatio": "2.0.0",
         "just-extend": "1.1.27",
-        "lolex": "1.6.0",
+        "lolex": "2.3.2",
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@@ -1243,12 +1243,6 @@
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-        "lolex": {
-          "version": "1.6.0",
-          "resolved": "https://registry.npmjs.org/lolex/-/lolex-1.6.0.tgz",
-          "integrity": "sha1-OpoCg0UqR9dDnnJzG54H1zhuSfY=",
-          "dev": true
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@@ -3215,18 +3209,18 @@
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-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.1.3.tgz",
-      "integrity": "sha512-c7u0ZuvBRX1eXuB4jN3BRCAOGiUTlM8SE3TxbJHrNiHUKL7wonujMOB6Fi1gQc00U91IscFORQHDga/eccqpbw==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-5.0.1.tgz",
+      "integrity": "sha512-xhPMTWl8dusKsa/4Px+K0FCHsAhcpxjMurofDzPr6BF1I5C2G6r4JLIaHKSOcMnXkt7X4Md0OZgJuuIqlw9ieA==",
       "dev": true,
       "requires": {
-        "diff": "3.4.0",
-        "formatio": "1.2.0",
+        "@sinonjs/formatio": "2.0.0",
+        "diff": "3.5.0",
         "lodash.get": "4.4.2",
-        "lolex": "2.3.1",
-        "nise": "1.2.0",
-        "supports-color": "4.5.0",
-        "type-detect": "4.0.5"
+        "lolex": "2.3.2",
+        "nise": "1.3.3",
+        "supports-color": "5.4.0",
+        "type-detect": "4.0.8"
       }
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@@ -3327,12 +3321,12 @@
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     },
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-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
-      "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+      "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
       "dev": true,
       "requires": {
-        "has-flag": "2.0.0"
+        "has-flag": "3.0.0"
       }
     },
     "text-encoding": {
@@ -3367,9 +3361,9 @@
       "optional": true
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-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.5.tgz",
-      "integrity": "sha512-N9IvkQslUGYGC24RkJk1ba99foK6TkwC2FHAEBlQFBP0RxQZS8ZpJuAZcwiY/w9ZJHFQb1aOXBI60OdxhTrwEQ==",
+      "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
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diff --git a/package.json b/package.json
index bb4673c..f1b1419 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "nyc": "^11.3.0",
     "perjury": "^1.1.0",
     "proxyquire": "^2.0.1",
-    "sinon": "^4.1.2",
+    "sinon": "^5.0.1",
     "typescript": "^2.6.2"
   }
 }