diff --git a/setup.py b/setup.py
index ef9083b..3b37560 100644
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@
         "z3c.jbot",
         "plone.api>=1.8.4",
         "plone.app.dexterity",
-        "redturtle.prenotazioni>=2.0.0.rc2",
+        "redturtle.prenotazioni >= 2.1.1",
         "design.plone.policy",
     ],
     extras_require={