diff --git a/lower-constraints.txt b/lower-constraints.txt
index 192329c0c..8926dbd13 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -21,7 +21,7 @@ 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 21bf087d0..41b26bc73 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!=0.23.0,!=0.25.0,>=0.22.0 # MIT
 jsonschema>=2.6.0 # MIT
 PuLP>=1.4.1 # MIT
 keystoneauth1>=3.4.0 # Apache-2.0