diff --git a/package.json b/package.json
index b742749..7ad97c9 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "jest": "26.1.0",
     "load-grunt-configs": "1.0.0",
     "prettier": "2.2.1",
-    "ts-jest": "26.5.0",
+    "ts-jest": "26.5.4",
     "ts-node": "9.1.1",
     "tslint": "6.1.3",
     "ttypescript": "1.5.12",