diff --git a/docker-compose.yml b/docker-compose.yml
index 4a36d7d..454f567 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "2"
+version: "3"
 
 services:
   hoc:
@@ -9,3 +9,5 @@ services:
     # ports:
     #   - "127.0.0.1:8080:8080"
     restart: always
+    env_file:
+      - ./.env