diff --git a/plinth/modules/upgrades/__init__.py b/plinth/modules/upgrades/__init__.py
index 72435c8a6..88c908d18 100644
--- a/plinth/modules/upgrades/__init__.py
+++ b/plinth/modules/upgrades/__init__.py
@@ -53,7 +53,7 @@ class UpgradesApp(app_module.App):
 
     app_id = 'upgrades'
 
-    _version = 16
+    _version = 17
 
     can_be_disabled = False
 
diff --git a/plinth/modules/upgrades/privileged.py b/plinth/modules/upgrades/privileged.py
index b537702ae..fd020a8cb 100644
--- a/plinth/modules/upgrades/privileged.py
+++ b/plinth/modules/upgrades/privileged.py
@@ -33,7 +33,7 @@ APT_PREFERENCES_FREEDOMBOX = \
     '''Explanation: This file is managed by FreedomBox, do not edit.
 Explanation: Allow carefully selected updates to 'freedombox' from backports.
 Package: src:freedombox
-Pin: release a={}-backports
+Pin: release n={}-backports
 Pin-Priority: 500
 '''