diff --git a/doc/tutorial_resources/oai-cn5g/docker-compose.yaml b/doc/tutorial_resources/oai-cn5g/docker-compose.yaml
index 64e3174219..83c871fb87 100644
--- a/doc/tutorial_resources/oai-cn5g/docker-compose.yaml
+++ b/doc/tutorial_resources/oai-cn5g/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: '3.8'
 services:
     mysql:
         container_name: "mysql"