diff --git a/debian/control b/debian/control
index 19f9f3f..b1ae56a 100644
--- a/debian/control
+++ b/debian/control
@@ -21,5 +21,7 @@ Depends: ${misc:Depends},
     python3-psycopg2,
     uwsgi,
     uwsgi-plugin-python3
+Breaks: python-petale (<< 1.1.18)
+Replaces: python-petale (<< 1.1.18)
 Recommends: nginx
 Description: Simple key value datastore