diff --git a/requirements.txt b/requirements.txt
index d28a361..c857280 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ cffi==1.11.2
 click==6.7
 coverage==4.4.2
 enum-compat==0.0.2
-eventlet==0.21.0
+eventlet==0.31.0
 flask>=0.12.3
 Flask-Bcrypt==0.7.1
 Flask-Cors==3.0.3