diff --git a/lower-constraints.txt b/lower-constraints.txt
index 196b60c342..f92fa35306 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -61,7 +61,7 @@ oslo.config==5.2.0
 oslo.context==2.19.2
 oslo.db==5.1.1
 oslo.i18n==3.15.3
-oslo.log==3.36.0
+oslo.log==4.3.0
 oslo.messaging==6.4.0
 oslo.middleware==3.31.0
 oslo.policy==1.30.0
diff --git a/requirements.txt b/requirements.txt
index 18943aa222..e9b226b821 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.db>=5.1.1 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.log>=3.36.0 # Apache-2.0
+oslo.log>=4.3.0 # Apache-2.0
 oslo.messaging>=6.4.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
 oslo.policy>=1.30.0 # Apache-2.0