diff --git a/integration_test/docker-compose.yml b/integration_test/docker-compose.yml
index 31ef2f96..e630a6cd 100644
--- a/integration_test/docker-compose.yml
+++ b/integration_test/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "3.9"
 networks:
   ecadnet: {}