diff --git a/projects/demo/package.json b/projects/demo/package.json
index 04e81af1..51027d61 100644
--- a/projects/demo/package.json
+++ b/projects/demo/package.json
@@ -31,7 +31,7 @@
         "@angular/language-service": "^12.0.0",
         "@types/dompurify": "2.0.0",
         "@types/node": "^12.11.1",
-        "ts-node": "^9.1.1",
+        "ts-node": "9.1.1",
         "tslint": "6.1.3",
         "typescript": "~4.2.4"
     }