diff --git a/requirements.txt b/requirements.txt
index c64439f3b..95ae4c209 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
-eventlet!=0.18.3,<0.21.0,>=0.18.2 # MIT
+eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
@@ -12,7 +12,7 @@ oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.privsep!=1.17.0,>=1.9.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
-requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0
+requests>=2.14.2 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
 six>=1.9.0 # MIT
 os-win>=2.0.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index eef55e979..2cedacd9b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 python-subunit>=0.0.18 # Apache-2.0/BSD
-reno>=1.8.0 # Apache-2.0
+reno!=2.3.1,>=1.8.0 # Apache-2.0
 sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0