diff --git a/docker-compose.yml b/docker-compose.yml
index 7ec905f..c3aa65f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
   nanodrop:
     build: .
     ports:
-      - "${PORT:-3000}:${PORT:-3000}"
+      - "127.0.0.1:${PORT:-3000}:${PORT:-3000}"
     environment: { <<: *env }
     volumes:
       - nanodrop-data:/app/data