diff --git a/.docker/test.ini b/.docker/test.ini
index a5c72c1..8e211d4 100644
--- a/.docker/test.ini
+++ b/.docker/test.ini
@@ -29,6 +29,7 @@ use = egg:ckan
 full_stack = true
 cache_dir = /tmp/%(ckan.site_id)s/
 beaker.session.key = ckan
+beaker.session.type = file
 
 # This is the secret token that the beaker library uses to hash the cookie sent
 # to the client. `paster make-config` generates a unique value for this each