diff --git a/src/STIL.ServiceClient.Tests/STIL.ServiceClient.Tests.csproj b/src/STIL.ServiceClient.Tests/STIL.ServiceClient.Tests.csproj
index be419c7..1c7dde3 100644
--- a/src/STIL.ServiceClient.Tests/STIL.ServiceClient.Tests.csproj
+++ b/src/STIL.ServiceClient.Tests/STIL.ServiceClient.Tests.csproj
@@ -37,7 +37,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
    
     <PackageReference Include="Moq" Version="4.20.69" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.10.2" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="4.10.3" />
     <PackageReference Include="xunit" Version="2.6.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>