diff --git a/plinth/modules/upgrades/__init__.py b/plinth/modules/upgrades/__init__.py
index 4a732df83..47825285d 100644
--- a/plinth/modules/upgrades/__init__.py
+++ b/plinth/modules/upgrades/__init__.py
@@ -52,7 +52,7 @@ class UpgradesApp(app_module.App):
 
     app_id = 'upgrades'
 
-    _version = 15
+    _version = 16
 
     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
 '''