diff --git a/mistral/rpc/oslo/oslo_client.py b/mistral/rpc/oslo/oslo_client.py
index e9878a50b..95b7de7f0 100644
--- a/mistral/rpc/oslo/oslo_client.py
+++ b/mistral/rpc/oslo/oslo_client.py
@@ -25,7 +25,7 @@ class OsloRPCClient(rpc.RPCClient):
 
         serializer = auth_ctx.RpcContextSerializer()
 
-        self._client = messaging.RPCClient(
+        self._client = messaging.get_rpc_client(
             rpc.get_transport(),
             messaging.Target(topic=self.topic),
             serializer=serializer
diff --git a/requirements.txt b/requirements.txt
index bb959f717..e59b3da4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ oslo.config>=6.8.0 # Apache-2.0
 oslo.context>=2.22.0 # Apache-2.0
 oslo.db>=4.40.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.messaging>=5.29.0 # Apache-2.0
+oslo.messaging>=14.1.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
 oslo.policy>=3.6.0 # Apache-2.0
 oslo.utils>=4.0.0 # Apache-2.0