diff --git a/Perfx.Core/Perfx.Core.csproj b/Perfx.Core/Perfx.Core.csproj
index 0e016b6..4f396ae 100644
--- a/Perfx.Core/Perfx.Core.csproj
+++ b/Perfx.Core/Perfx.Core.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="System.Threading.Tasks" Version="4.3.0" />
   </ItemGroup>
 
diff --git a/Perfx/Perfx.csproj b/Perfx/Perfx.csproj
index b937017..2993c71 100644
--- a/Perfx/Perfx.csproj
+++ b/Perfx/Perfx.csproj
@@ -57,7 +57,7 @@
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Toolkit.Wpf.UI.Controls.WebView" Version="6.1.2" />
     <PackageReference Include="Microsoft.VisualStudio.Services.InteractiveClient" Version="16.153.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="SmartFormat.NET" Version="2.5.3" />
     <PackageReference Include="WindowsBase" Version="4.6.1055" />
   </ItemGroup>