diff --git a/.devcontainer/docker-compose.yml b/.devcontainer/docker-compose.yml
index d0ab0e8dd..83e302207 100644
--- a/.devcontainer/docker-compose.yml
+++ b/.devcontainer/docker-compose.yml
@@ -3,7 +3,6 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-version: '3.9'
 services:
   web:
     # Uncomment the next line to use a non-root user for all processes. You can also