diff --git a/appointment_calendar.info.yml b/appointment_calendar.info.yml
index 945fdc9..5e4876a 100644
--- a/appointment_calendar.info.yml
+++ b/appointment_calendar.info.yml
@@ -6,4 +6,4 @@ type: module
 dependencies:
   - datetime
   - datetime_range
-  - period_field
+