diff --git a/Dockerfile b/Dockerfile
index b190299..508d79e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN mkdir -p /app/data
 
 # Accept build arguments
 ARG SITE_URL=https://nlcc.rydertech.us
-ARG AUTH_SECRET
+ARG AUTH_SECRET=change-this-secret-in-production
 
 # Set environment variables for build
 ENV SITE_URL=$SITE_URL