diff --git a/package.json b/package.json
index 78cf337..638a97b 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@types/jest": "22.1.0",
     "codecov": "3.0.0",
     "jest": "22.3.0",
-    "ts-jest": "22.0.2",
+    "ts-jest": "22.0.4",
     "tslint": "5.9.1",
     "typedoc": "0.9.0",
     "typescript": "2.6.2"
diff --git a/yarn.lock b/yarn.lock
index 5c509b6..d964d08 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3034,9 +3034,9 @@ 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@22.0.2:
-  version "22.0.2"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.2.tgz#d83eb2e3a2a4f3be098afea5a06d38547d528c72"
+ts-jest@22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.4.tgz#be5e8d7d2cf3f3ef97d877a6a0562508c3f64515"
   dependencies:
     babel-core "^6.24.1"
     babel-plugin-istanbul "^4.1.4"