diff --git a/yahoofinancials/cache.py b/yahoofinancials/cache.py
index 4d25542..8219083 100644
--- a/yahoofinancials/cache.py
+++ b/yahoofinancials/cache.py
@@ -348,7 +348,7 @@ def initialise(self):
             self.initialised = 0  # failure
             return
         i = 0
-        while i < 150:
+        while i < 250:
             try:
                 db.connect()
                 Cookie_db_proxy.initialize(db)
@@ -356,7 +356,7 @@ def initialise(self):
                 self.initialised = 1  # success
                 return
             except _peewee.OperationalError:
-                time.sleep(random.randint(3, 15))
+                time.sleep(random.randint(3, 25))
                 continue
         self.initialised = 0  # failure