diff --git a/src/SoapCore/SoapCore.csproj b/src/SoapCore/SoapCore.csproj
index b4f84cb..b7d85cb 100644
--- a/src/SoapCore/SoapCore.csproj
+++ b/src/SoapCore/SoapCore.csproj
@@ -42,7 +42,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="System.ServiceModel.Primitives" Version="4.5.0" />
+		<PackageReference Include="System.ServiceModel.Primitives" Version="4.5.3" />
 		<PackageReference Include="System.ServiceModel.Http" Version="4.4.0" />
 		<PackageReference Include="System.Xml.XmlSerializer" Version="4.3.0" />
 	</ItemGroup>