diff --git a/requirements.txt b/requirements.txt
index 329e504f4..0afb2ce18 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.
 pbr>=1.6 # Apache-2.0
-eventlet>=0.18.2 # MIT
+eventlet!=0.18.3,>=0.18.2 # MIT
 iso8601>=0.1.9 # MIT
 netaddr!=0.7.16,>=0.7.12 # BSD
 netifaces>=0.10.4 # MIT
@@ -12,7 +12,7 @@ oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.0.0 # Apache-2.0
-oslo.utils>=3.4.0 # Apache-2.0
+oslo.utils>=3.5.0 # Apache-2.0
 pecan>=1.0.0 # BSD
 Pint>=0.5 # BSD
 psutil<2.0.0,>=1.1.1 # BSD