diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 9bd43a2..824622a 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -5,7 +5,7 @@
   <!-- App dependencies -->
   <ItemGroup>
     <PackageVersion Include="Akka.Cluster.TestKit" Version="1.5.13" />
-    <PackageVersion Include="TeamCity.ServiceMessages" Version="4.0.0" />
+    <PackageVersion Include="TeamCity.ServiceMessages" Version="4.1.1" />
     <PackageVersion Include="System.CodeDom" Version="8.0.0" />
     <PackageVersion Include="System.Runtime.Loader" Version="4.3.0" />
     <PackageVersion Include="xunit.runner.utility" Version="2.6.2" />