diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 4a0cb28..d6b1e1d 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -1,4 +1,4 @@
-version: '3.8'
+version: '3.9'
 
 services:
   backend: