diff --git a/cloud/docker/docker.py b/cloud/docker/docker.py
index 1bd49b0f66d..919ff62ba1d 100644
--- a/cloud/docker/docker.py
+++ b/cloud/docker/docker.py
@@ -270,7 +270,7 @@ options:
       - Mount the container's root filesystem as read only
     default: false
     aliases: []
-    version_added: "1.9"
+    version_added: "2.0"
   restart_policy:
     description:
       - Container restart policy.