diff --git a/requirements.txt b/requirements.txt
index 9359f6d03..5b299bf6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-oslo.config>=3.22.0 # Apache-2.0
+oslo.config>=4.0.0 # Apache-2.0
 keystoneauth1>=2.20.0 # Apache-2.0
 python-heatclient>=1.6.1 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 59508b2c5..cca80dd76 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -18,5 +18,5 @@ oslotest>=1.10.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
-reno>=1.8.0 # Apache-2.0
+reno!=2.3.1,>=1.8.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD