diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index d6d579d..063c4b8 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -1,4 +1,4 @@
-version: '3.8'
+version: '3'
 
 services:
   lb:
diff --git a/docker-compose.yml b/docker-compose.yml
index f75eae6..978ce2a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3.8'
+version: '3'
 
 services:
   flask: