diff --git a/data/de.johrpan.Musicus.gschema.xml.in b/data/de.johrpan.Musicus.gschema.xml.in
index 29c2805..27f4f52 100644
--- a/data/de.johrpan.Musicus.gschema.xml.in
+++ b/data/de.johrpan.Musicus.gschema.xml.in
@@ -52,5 +52,13 @@
       <default l10n="messages">'{"title":"A long time ago","description":"Works that you haven\'t listened to for a long time.","design":"Purple","prefer_recently_added":0.0,"prefer_least_recently_played":1.0,"avoid_repeated_composers":60,"avoid_repeated_instruments":60,"play_full_recordings":true}'</default>
       <summary>Default settings for program 3</summary>
     </key>
+    <key name="use-custom-library-url" type="b">
+      <default>false</default>
+      <summary>Use a custom URL for library downloads</summary>
+    </key>
+    <key name="custom-library-url" type="s">
+      <default>'https://musicus.johrpan.de/musicus_library_latest.zip'</default>
+      <summary>Custom URL for library downloads</summary>
+    </key>
   </schema>
 </schemalist>
diff --git a/data/ui/preferences_dialog.blp b/data/ui/preferences_dialog.blp
index 16f3dc9..6bfe78a 100644
--- a/data/ui/preferences_dialog.blp
+++ b/data/ui/preferences_dialog.blp
@@ -62,4 +62,22 @@ template $MusicusPreferencesDialog: Adw.PreferencesDialog {
       }
     }
   }
+
+  Adw.PreferencesPage {
+    title: _("Library");
+
+    Adw.PreferencesGroup {
+      title: _("Library download");
+
+      Adw.SwitchRow use_custom_url_row {
+        title: _("Use custom download URL");
+        active: false;
+      }
+
+      Adw.EntryRow custom_url_row {
+        title: _("Download URL");
+        show-apply-button: true;
+      }
+    }
+  }
 }
diff --git a/src/preferences_dialog.rs b/src/preferences_dialog.rs
index aa40743..be07780 100644
--- a/src/preferences_dialog.rs
+++ b/src/preferences_dialog.rs
@@ -19,6 +19,10 @@ mod imp {
         pub avoid_repeated_instruments_adjustment: TemplateChild<gtk::Adjustment>,
         #[template_child]
         pub play_full_recordings_row: TemplateChild<adw::SwitchRow>,
+        #[template_child]
+        pub use_custom_url_row: TemplateChild<adw::SwitchRow>,
+        #[template_child]
+        pub custom_url_row: TemplateChild<adw::EntryRow>,
     }
 
     #[glib::object_subclass]
@@ -83,6 +87,23 @@ mod imp {
                     "active",
                 )
                 .build();
+
+            settings
+                .bind(
+                    "use-custom-library-url",
+                    &*self.use_custom_url_row,
+                    "active",
+                )
+                .build();
+
+            settings
+                .bind("custom-library-url", &*self.custom_url_row, "text")
+                .build();
+
+            self.use_custom_url_row
+                .bind_property("active", &*self.custom_url_row, "sensitive")
+                .sync_create()
+                .build();
         }
     }