diff --git a/Perfx.Core/Perfx.Core.csproj b/Perfx.Core/Perfx.Core.csproj
index 0e016b6..d2596a1 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="13.0.1" />
     <PackageReference Include="System.Threading.Tasks" Version="4.3.0" />
   </ItemGroup>