diff --git a/bbqsql/lib/technique.py b/bbqsql/lib/technique.py
index 461655d..d4fc245 100644
--- a/bbqsql/lib/technique.py
+++ b/bbqsql/lib/technique.py
@@ -5,8 +5,8 @@
 
 import gevent
 from gevent.event import AsyncResult,Event
-from gevent.coros import Semaphore
 from gevent.queue import Queue
+from gevent.lock import Semaphore
 from gevent.pool import Pool
 
 from time import time
@@ -539,4 +539,4 @@ def _add_rows(self):
             #if there aren't going to be any more rows in need of deletion we can stop this nonsense
             if self.results and self.results[-1][0] == 'success':
                 break
-            gevent.sleep(.3)
\ No newline at end of file
+            gevent.sleep(.3)