diff --git a/library/calendar_sync.py b/library/calendar_sync.py
index 0e9c037..b84c596 100644
--- a/library/calendar_sync.py
+++ b/library/calendar_sync.py
@@ -150,7 +150,7 @@ def run_module():
         target_url=dict(type='str', required=True),
         target_user=dict(type='str', required=False, default=None),
         target_password=dict(type='str', required=False, no_log=True, default=None),
-        verify_ssl=dict(type='bool', default=True),
+        verify_ssl=dict(type='bool', default=False),
         purge=dict(type='bool', default=False)
     )