diff --git a/requirements.txt b/requirements.txt
index 03e9914..70272dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=1.8 # Apache-2.0
+pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslo.config>=5.1.0 # Apache-2.0
-oslo.log>=3.30.0 # Apache-2.0
+oslo.log>=3.36.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD