diff --git a/package.json b/package.json
index e7d1bd7..f2805ca 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "jest-playback": "1.0.0",
     "prettier": "1.6.1",
     "prettier-config-ikatyang": "1.1.1",
-    "ts-jest": "20.0.10",
+    "ts-jest": "20.0.14",
     "ts-node": "3.3.0",
     "tslint": "5.7.0",
     "tslint-config-ikatyang": "2.3.0",
diff --git a/yarn.lock b/yarn.lock
index 2971567..db9f4fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2343,9 +2343,9 @@ 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@20.0.10:
-  version "20.0.10"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-20.0.10.tgz#19e9386e6c890d31c2a64e938edc0c84fc937ebc"
+ts-jest@20.0.14:
+  version "20.0.14"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-20.0.14.tgz#9e82130cea6b6df718b2c2b6055452af46bb248d"
   dependencies:
     babel-core "^6.24.1"
     babel-plugin-istanbul "^4.1.4"