diff --git a/docker-compose.memcached.yaml b/docker-compose.memcached.yaml
index 2b17dc2..df5808f 100644
--- a/docker-compose.memcached.yaml
+++ b/docker-compose.memcached.yaml
@@ -8,8 +8,6 @@
 # 4. Optional: adjust the 'command' line below to change CLI flags sent to
 #    memcached.
 
-version: '3.6'
-
 services:
   memcached:
     container_name: ddev-${DDEV_SITENAME}-memcached