diff --git a/requirements.txt b/requirements.txt
index d2a6dbc..152d549 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-gevent==1.3.7
+gevent==1.4.0
 holster==2.0.0
 requests==2.20.1
 six==1.11.0