diff --git a/docker-compose.groups.yml b/docker-compose.groups.yml
index bc80898..6c0ca56 100644
--- a/docker-compose.groups.yml
+++ b/docker-compose.groups.yml
@@ -1,4 +1,3 @@
-version: '3'
 services:
   onlyoffice-mysql-server:
     container_name: onlyoffice-mysql-server
diff --git a/docker-compose.workspace.yml b/docker-compose.workspace.yml
index c2007a8..8a7f168 100644
--- a/docker-compose.workspace.yml
+++ b/docker-compose.workspace.yml
@@ -1,4 +1,3 @@
-version: '3'
 services:
   onlyoffice-mysql-server:
     container_name: onlyoffice-mysql-server
diff --git a/docker-compose.workspace_enterprise.yml b/docker-compose.workspace_enterprise.yml
index 60b32f1..7fb5b7e 100644
--- a/docker-compose.workspace_enterprise.yml
+++ b/docker-compose.workspace_enterprise.yml
@@ -1,4 +1,3 @@
-version: '3'
 services:
   onlyoffice-mysql-server:
     container_name: onlyoffice-mysql-server