diff --git a/app/core/settings.py b/app/core/settings.py
index be029cb..f6306c6 100644
--- a/app/core/settings.py
+++ b/app/core/settings.py
@@ -26,7 +26,7 @@ class Settings(BaseSettings):
     POSTGRES_DB: str
 
     DATETIME_FORMAT: str = "%Y-%m-%dT%H:%M:%S"
-    TEST_DATABASE_URL: str
+    TEST_DATABASE_URL: Optional[str]
 
     PAGE: int = 1
     PAGE_SIZE: int = 20