diff --git a/Sources/Equ.Test/Equ.Test.csproj b/Sources/Equ.Test/Equ.Test.csproj
index 1fb4059..f24bf5c 100644
--- a/Sources/Equ.Test/Equ.Test.csproj
+++ b/Sources/Equ.Test/Equ.Test.csproj
@@ -14,7 +14,7 @@
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     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.extensibility.execution" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />