diff --git a/sage_validation/settings.py b/sage_validation/settings.py
index 1cfee8b846033141d8984017ad8fbfc53e7546c2..c0da3d2879607f7af48bd7274339a3c1de700966 100644
--- a/sage_validation/settings.py
+++ b/sage_validation/settings.py
@@ -23,7 +23,7 @@ SECRET_KEY = os.getenv("SECRET_KEY")
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS: list[str] = []
+ALLOWED_HOSTS: list[str] = os.getenv("ALLOWED_HOSTS", "").split(",")
 
 # Application definition
 INSTALLED_APPS = [