diff --git a/src/Client.iOS/Client.iOS.csproj b/src/Client.iOS/Client.iOS.csproj
index bc02c14..d84de67 100644
--- a/src/Client.iOS/Client.iOS.csproj
+++ b/src/Client.iOS/Client.iOS.csproj
@@ -155,7 +155,7 @@
     <PackageReference Include="System.Runtime" Version="4.3.0" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.4.0" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.3.0" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="4.4.0" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="4.4.4" />
     <PackageReference Include="System.Xml.XmlSerializer" Version="4.3.0" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />