diff --git a/requirements_web.txt b/requirements_web.txt
index d2b2cb9..594cbea 100644
--- a/requirements_web.txt
+++ b/requirements_web.txt
@@ -8,7 +8,7 @@ MarkupSafe==2.1.3
 itsdangerous==2.1.2
 click==8.1.7
 blinker==1.7.0
-eventlet==0.33.3
+eventlet==0.40.3
 dnspython==2.4.2
 greenlet==3.0.1
 six==1.16.0