diff --git a/test/support/docker_wrapper.rb b/test/support/docker_wrapper.rb
index 5d6d8393..2165e699 100644
--- a/test/support/docker_wrapper.rb
+++ b/test/support/docker_wrapper.rb
@@ -33,6 +33,7 @@ def stop
 
     def wait_for_ssh_server(retries=3)
       Socket.tcp("localhost", SSH_SERVER_PORT, connect_timeout: 1).close
+      sleep(1)
     rescue Errno::ECONNREFUSED, Errno::ETIMEDOUT
       retries -= 1
       sleep(2) && retry if retries.positive?