diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 28451b9cde..7526c37932 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -5,6 +5,7 @@
     "lib": ["DOM", "DOM.Iterable", "ES2023"],
     "composite": true,
     "types": ["node", "vitest/globals"],
+    "baseUrl": ".",
     "paths": {
       "@google/gemini-cli-core": ["./index.ts"]
     }