diff --git a/docker-compose.yml b/docker-compose.yml
index 16d5f732371b4d8f8ad461372274715dc62fa9d5..3921e1c0e96cae796c4c2d05766c65852e97ab46 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3.9'
+version: '3.8'
 
 services:
   nginx-memo: