diff --git a/requirements.txt b/requirements.txt
index 0f15aff..854a713 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,5 +8,5 @@ git+https://github.com/opennorth/represent-reps.git#egg=represent-representative
 git+https://github.com/opennorth/represent-postcodes.git#egg=represent-postcodes
 
 # Server
-eventlet==0.35.2
+eventlet==0.40.3
 gunicorn==23.0.0