diff --git a/src/ServiceControl.Connector.MassTransit.AcceptanceTesting/ServiceControl.Connector.MassTransit.AcceptanceTesting.csproj b/src/ServiceControl.Connector.MassTransit.AcceptanceTesting/ServiceControl.Connector.MassTransit.AcceptanceTesting.csproj
index 6572eaf..567e49a 100644
--- a/src/ServiceControl.Connector.MassTransit.AcceptanceTesting/ServiceControl.Connector.MassTransit.AcceptanceTesting.csproj
+++ b/src/ServiceControl.Connector.MassTransit.AcceptanceTesting/ServiceControl.Connector.MassTransit.AcceptanceTesting.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MassTransit" Version="8.3.6" />
+    <PackageReference Include="MassTransit" Version="8.5.5" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
     <PackageReference Include="NServiceBus.AcceptanceTesting" Version="9.2.7" />
   </ItemGroup>
diff --git a/src/ServiceControl.Connector.MassTransit/ServiceControl.Connector.MassTransit.csproj b/src/ServiceControl.Connector.MassTransit/ServiceControl.Connector.MassTransit.csproj
index 44da3e1..be9fed6 100644
--- a/src/ServiceControl.Connector.MassTransit/ServiceControl.Connector.MassTransit.csproj
+++ b/src/ServiceControl.Connector.MassTransit/ServiceControl.Connector.MassTransit.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MassTransit" Version="8.3.6" />
+    <PackageReference Include="MassTransit" Version="8.5.5" />
     <PackageReference Include="NServiceBus" Version="9.2.7" />
     <PackageReference Include="NServiceBus.CustomChecks" Version="5.0.1" />
   </ItemGroup>