diff --git a/package.json b/package.json
index 577d881..04c04b9 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "jest-playback": "1.0.1",
     "prettier": "1.6.1",
     "prettier-config-ikatyang": "1.1.1",
-    "ts-jest": "21.0.0",
+    "ts-jest": "21.0.1",
     "ts-node": "3.3.0",
     "tslint": "5.7.0",
     "tslint-config-ikatyang": "2.4.0",
diff --git a/yarn.lock b/yarn.lock
index 0ff1158..97ca57e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2656,9 +2656,9 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-jest@21.0.0:
-  version "21.0.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-21.0.0.tgz#261c0b90270bfaa57c8d9ef2a0b5f3a41efc38e9"
+ts-jest@21.0.1:
+  version "21.0.1"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-21.0.1.tgz#825138413eb299d12d60d0ae4d5a49f76b1cfeac"
   dependencies:
     babel-core "^6.24.1"
     babel-plugin-istanbul "^4.1.4"