diff --git a/package-lock.json b/package-lock.json
index f2022ea..3851bf8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5371,15 +5371,6 @@
         "graceful-fs": "4.1.11"
       }
     },
-    "karma-spec-reporter": {
-      "version": "0.0.31",
-      "resolved": "https://registry.npmjs.org/karma-spec-reporter/-/karma-spec-reporter-0.0.31.tgz",
-      "integrity": "sha1-SDDccUihVcfXoYbmMjOaDYD63sM=",
-      "dev": true,
-      "requires": {
-        "colors": "1.1.2"
-      }
-    },
     "karma-webpack": {
       "version": "2.0.9",
       "resolved": "https://registry.npmjs.org/karma-webpack/-/karma-webpack-2.0.9.tgz",
@@ -9557,9 +9548,9 @@
       "dev": true
     },
     "sinon": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.1.4.tgz",
-      "integrity": "sha512-ISJZDPf8RS2z4/LAgy1gIimAvF9zg9C9ClQhLTWYWm4HBZjo1WELXlVfkudjdYeN+GtQ2uVBe52m0npIV0gDow==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.2.0.tgz",
+      "integrity": "sha512-FAdCcQ6lUAakWQMVRSIhiQU90d5EH1k3V6wRPrjxcYsv4vlBHjFzWLeoD63GoTKrFkfzVQs209aFW8V3cGLNtA==",
       "dev": true,
       "requires": {
         "diff": "3.3.1",
@@ -9567,19 +9558,8 @@
         "lodash.get": "4.4.2",
         "lolex": "2.3.1",
         "nise": "1.2.0",
-        "supports-color": "4.5.0",
+        "supports-color": "5.1.0",
         "type-detect": "4.0.5"
-      },
-      "dependencies": {
-        "supports-color": {
-          "version": "4.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
-          "dev": true,
-          "requires": {
-            "has-flag": "2.0.0"
-          }
-        }
       }
     },
     "sinon-chai": {
diff --git a/package.json b/package.json
index 2185b9f..7bc5632 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
     "selenium-server": "^3.8.1",
     "semver": "^5.3.0",
     "shelljs": "^0.8.0",
-    "sinon": "^4.1.3",
+    "sinon": "^4.2.0",
     "sinon-chai": "^2.14.0",
     "stats-webpack-plugin": "^0.6.0",
     "url-loader": "^0.6.2",
diff --git a/yarn.lock b/yarn.lock
index b70489d..f2eed1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6003,16 +6003,16 @@ sinon-chai@^2.14.0:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/sinon-chai/-/sinon-chai-2.14.0.tgz#da7dd4cc83cd6a260b67cca0f7a9fdae26a1205d"
 
-sinon@^4.1.3:
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-4.1.3.tgz#fc599eda47ed9f1a694ce774b94ab44260bd7ac5"
+sinon@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-4.2.0.tgz#3b7c0d2289a80d2d84c4685f2ec130b7ab9af621"
   dependencies:
     diff "^3.1.0"
     formatio "1.2.0"
     lodash.get "^4.4.2"
     lolex "^2.2.0"
     nise "^1.2.0"
-    supports-color "^4.4.0"
+    supports-color "^5.1.0"
     type-detect "^4.0.5"
 
 slash@^1.0.0:
@@ -6323,6 +6323,12 @@ supports-color@^4.4.0:
   dependencies:
     has-flag "^2.0.0"
 
+supports-color@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.1.0.tgz#058a021d1b619f7ddf3980d712ea3590ce7de3d5"
+  dependencies:
+    has-flag "^2.0.0"
+
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"