Raise minimum Docker version to 1.6 to address #1683

README.md

@@ -41,7 +41,7 @@ capabilities, so these can continue to be used by containers.
 ## Installation
 
 Ensure you are running Linux (kernel 3.8 or later) and have Docker
-(version 1.3.1 or later) installed. Then install weave with
+(version 1.6.0 or later) installed. Then install weave with
 
     sudo curl -L git.io/weave -o /usr/local/bin/weave
     sudo chmod a+x /usr/local/bin/weave