diff --git a/package.json b/package.json
index ad25c2c..ef3f4e9 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,6 @@
     "tslint-config-ikatyang": "2.5.1",
     "tslint-config-prettier": "1.6.0",
     "tslint-plugin-prettier": "1.3.0",
-    "typescript": "2.5.3"
+    "typescript": "2.6.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 823f9f7..da806d9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2800,9 +2800,9 @@ type-detect@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
 
-typescript@2.5.3:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.3.tgz#df3dcdc38f3beb800d4bc322646b04a3f6ca7f0d"
+typescript@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.1.tgz#ef39cdea27abac0b500242d6726ab90e0c846631"
 
 uglify-js@^2.6:
   version "2.8.29"