diff --git a/package-lock.json b/package-lock.json
index 77717162..b977afbd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7815,9 +7815,9 @@
       "dev": true
     },
     "sinon": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.2.1.tgz",
-      "integrity": "sha512-lx9ZCoScNhvs6+n3ku78CqIpQNIiY9gLfvuIdhZjnKOkcVL6FfWfA1jkOrcO+n3mX4BIg2XwQnyCS/Ive21QMw==",
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.2.2.tgz",
+      "integrity": "sha512-BEa593xl+IkIc94nKo0O0LauQC/gQy8Gyv4DkzPwF/9DweC5phr1y+42zibCpn9abfkdHxt9r8AhD0R6u9DE/Q==",
       "dev": true,
       "requires": {
         "diff": "3.2.0",
diff --git a/package.json b/package.json
index aaeb8d9b..61318315 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "mocha": "^5.0.0",
     "rollup": "^0.55.1",
     "rollup-plugin-babel": "^3.0.3",
-    "sinon": "^4.2.1",
+    "sinon": "^4.2.2",
     "sinon-chai": "^2.14.0",
     "ts-loader": "^3.3.1",
     "tsconfig-holy-grail": "^3.0.17",