diff --git a/weboob/applications/boobooks/boobooks.py b/weboob/applications/boobooks/boobooks.py
index 0a44ed77..b28e895c 100644
--- a/weboob/applications/boobooks/boobooks.py
+++ b/weboob/applications/boobooks/boobooks.py
@@ -64,3 +64,18 @@ class Boobooks(ReplApplication):
                           }
 
     COLLECTION_OBJECTS = (Book, )
+
+    def do_renew(self, id):
+        """
+        renew ID
+
+        Renew a book
+        """
+
+        id, backend_name = self.parse_id(id)
+        if not id:
+            print >>sys.stderr, 'Error: please give a book ID (hint: use ls command)'
+            return 2
+        names = (backend_name,) if backend_name is not None else None
+
+        self.do('renew_book', id, backends=names)
diff --git a/weboob/capabilities/library.py b/weboob/capabilities/library.py
index 21cf3ace..2f1b1ed7 100644
--- a/weboob/capabilities/library.py
+++ b/weboob/capabilities/library.py
@@ -52,6 +52,9 @@ class ICapBook(ICapCollection):
     def get_booked(self, _id):
         raise NotImplementedError()
 
+    def renew_book(self, _id):
+        raise NotImplementedError()
+
     def get_rented(self, _id):
         raise NotImplementedError()