diff --git a/install/gargamelle/requirements.txt b/install/gargamelle/requirements.txt
index 8bc4a94e..a7e419c9 100644
--- a/install/gargamelle/requirements.txt
+++ b/install/gargamelle/requirements.txt
@@ -1,5 +1,5 @@
 # try bottleneck
-eventlet==0.20.1
+eventlet==0.31.0
 amqp==1.4.9
 anyjson==0.3.3
 billiard==3.3.0.23