diff --git a/Dockerfile b/Dockerfile
index f5feb6e..d165a87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,6 +52,12 @@ COPY --from=build /app/src/emails/ ./dist/emails/
 # Create data directory for SQLite
 RUN mkdir -p /data
 
+# Create non-root user for security hardening
+RUN addgroup -S app && adduser -S -G app app
+RUN chown -R app:app /data
+
+USER app
+
 EXPOSE 4738
 
 ENV NODE_ENV=production