diff --git a/package-lock.json b/package-lock.json
index 50cc04c..1767c81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1979,9 +1979,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "2.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.8.3.tgz",
-      "integrity": "sha512-K7g15Bb6Ra4lKf7Iq2l/I5/En+hLIHmxWZGq3D4DIRNFxMNV6j2SHSvDOqs2tGd4UvD/fJvrwopzQXjLrT7Itw==",
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
+      "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==",
       "dev": true
     },
     "util-deprecate": {
diff --git a/package.json b/package.json
index cadf38d..7adb947 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,6 @@
     "chai": "4.1.2",
     "phantomjs-prebuilt": "2.1.16",
     "sinon": "4.4.6",
-    "typescript": "2.8.3"
+    "typescript": "3.1.6"
   }
 }