diff --git a/requirements.txt b/requirements.txt
index 5d8d49218..8c77c1400 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ PyYAML>=3.10.0 # MIT
 Jinja2>=2.8 # BSD License (3 clause)
 pbr>=1.6 # Apache-2.0
 Babel>=2.3.4 # BSD
-oslo.config>=3.14.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 six>=1.9.0 # MIT
 PyMySQL!=0.7.7,>=0.6.2 # MIT License
diff --git a/test-requirements.txt b/test-requirements.txt
index 812d74734..7fb41bc08 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,9 +4,9 @@
 
 hacking<0.11,>=0.10.0
 
-coverage>=3.6 # Apache-2.0
+coverage>=4.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
-reno>=1.8.0 # Apache2
+reno>=1.8.0 # Apache-2.0
 sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0