diff --git a/requirements.txt b/requirements.txt
index 21bf087d0..dc4477a53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
+eventlet!=0.18.3,!=0.20.1,!=0.23.0,!=0.25.0,>=0.18.2 # MIT
 jsonschema>=2.6.0 # MIT
 PuLP>=1.4.1 # MIT
 keystoneauth1>=3.4.0 # Apache-2.0