diff --git a/package-lock.json b/package-lock.json
index 96b3b348..084726e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@types/chai": {
-      "version": "4.0.10",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.0.10.tgz",
-      "integrity": "sha512-Ejh1AXTY8lm+x91X/yar3G2z4x9RyKwdTVdyyu7Xj3dNB35fMNCnEWqTO9FgS3zjzlRNqk1MruYhgb8yhRN9rA==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.0.tgz",
+      "integrity": "sha512-OuYBlXWHYthxIudMXMeQr92f6D97YoT9CUYCRb0BEP4OavC95jNcczjjr4Ob3H5E1IqlWqwj+leUZPSeth27Qw==",
       "dev": true
     },
     "@types/core-js": {
diff --git a/package.json b/package.json
index 65b46b1c..a0a17b56 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "yargs": "10.0.3"
   },
   "devDependencies": {
-    "@types/chai": "4.0.10",
+    "@types/chai": "4.1.0",
     "@types/mocha": "2.2.46",
     "babel-core": "6.26.0",
     "babel-plugin-istanbul": "4.1.5",