diff --git a/Directory.Packages.props b/Directory.Packages.props
index f7bf181..b55583b 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -9,14 +9,14 @@
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.25" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
-    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.300" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.400" />
     <PackageVersion Include="MQTTnet" Version="4.3.7.1207" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="Nullable" Version="1.3.1" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
-    <PackageVersion Include="System.Text.Encodings.Web" Version="10.0.9" />
-    <PackageVersion Include="System.Text.Json" Version="10.0.9" />
+    <PackageVersion Include="System.Text.Encodings.Web" Version="10.0.11" />
+    <PackageVersion Include="System.Text.Json" Version="10.0.11" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.console" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
diff --git a/src/CloudNative.CloudEvents.SystemTextJson/CloudNative.CloudEvents.SystemTextJson.csproj b/src/CloudNative.CloudEvents.SystemTextJson/CloudNative.CloudEvents.SystemTextJson.csproj
index 2d697a1..dc8c8c8 100644
--- a/src/CloudNative.CloudEvents.SystemTextJson/CloudNative.CloudEvents.SystemTextJson.csproj
+++ b/src/CloudNative.CloudEvents.SystemTextJson/CloudNative.CloudEvents.SystemTextJson.csproj
@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Text.Encodings.Web" />
     <PackageReference Include="System.Text.Json" Condition="'$(TargetFramework)'=='netstandard2.0'" />
   </ItemGroup>