diff --git a/deploy/ansible.cfg b/deploy/ansible.cfg
index e9fa9c2c..61b50e17 100644
--- a/deploy/ansible.cfg
+++ b/deploy/ansible.cfg
@@ -1,2 +1,7 @@
 [defaults]
 inventory = inventory.cfg
+
+[ssh_connection]
+# Pipelining is an optimization that's off by default for compatibility, but runs
+# playbooks much faster when it's available. It works in our case, so use it!
+pipelining = True