diff --git a/lower-constraints.txt b/lower-constraints.txt
index 90dc4ba04..ca6e460a5 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -26,7 +26,7 @@ docutils==0.14
 dogpile.cache==0.6.5
 dulwich==0.19.0
 enum-compat==0.0.2
-eventlet==0.18.2
+eventlet==0.22.0
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
diff --git a/requirements.txt b/requirements.txt
index 5a01d5c54..db4052bde 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ PasteDeploy>=1.5.0 # MIT
 Routes>=2.3.1 # MIT
 anyjson>=0.3.3 # BSD
 Babel!=2.4.0,>=2.3.4 # BSD
-eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
+eventlet!=0.23.0,!=0.25.0,>=0.22.0 # MIT
 requests>=2.14.2 # Apache-2.0
 keystonemiddleware>=4.17.0 # Apache-2.0
 kombu!=4.0.2,>=4.0.0 # BSD