diff --git a/lower-constraints.txt b/lower-constraints.txt
index 1413f4b5..2b2239b0 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -8,7 +8,7 @@ debtcollector==1.2.0
 doc8==0.6.0
 docutils==0.11
 dulwich==0.15.0
-eventlet==0.18.2
+eventlet==0.22.0
 extras==1.0.0
 fasteners==0.7.0
 fixtures==3.0.0
diff --git a/requirements.txt b/requirements.txt
index 5a3e22d3..8fa4facc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 WebOb>=1.7.1 # MIT
 debtcollector>=1.2.0 # Apache 2.0
-eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
+eventlet>=0.22.0,!=0.23.0,!=0.25.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 greenlet>=0.4.10 # MIT
 oslo.utils>=3.40.2 # Apache-2.0