diff --git a/server/tsconfig.json b/server/tsconfig.json
index 2fe401c..a4472e4 100644
--- a/server/tsconfig.json
+++ b/server/tsconfig.json
@@ -6,6 +6,7 @@
     "module": "ESNext",
     "moduleResolution": "NodeNext",
     "esModuleInterop": true,
+    "isolatedModules": true,
     "lib": ["ESNext", "DOM", "DOM.Iterable"],
     "skipLibCheck": true,
     "target": "ESNext",