diff --git a/package.json b/package.json
index 7f65c507..257e0692 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "mocked-env": "^1.3.2",
     "nyc": "^15.1.0",
     "prettier": "^2.0.5",
-    "ts-loader": "^8.0.0",
+    "ts-loader": "^9.4.2",
     "ts-node": "^9.0.0",
     "typedoc": "^0.19.2",    
     "typescript": "^4.0.3"