diff --git a/src/CSharpToTypeScript.CLITool/CSharpToTypeScript.CLITool.csproj b/src/CSharpToTypeScript.CLITool/CSharpToTypeScript.CLITool.csproj
index 7f057a7..acd7f77 100644
--- a/src/CSharpToTypeScript.CLITool/CSharpToTypeScript.CLITool.csproj
+++ b/src/CSharpToTypeScript.CLITool/CSharpToTypeScript.CLITool.csproj
@@ -26,7 +26,7 @@
   <ItemGroup>
     <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="2.5.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/CSharpToTypeScript.CLITool.Tests/CSharpToTypeScript.CLITool.Tests.csproj b/test/CSharpToTypeScript.CLITool.Tests/CSharpToTypeScript.CLITool.Tests.csproj
index 773d38b..2dc5e1f 100644
--- a/test/CSharpToTypeScript.CLITool.Tests/CSharpToTypeScript.CLITool.Tests.csproj
+++ b/test/CSharpToTypeScript.CLITool.Tests/CSharpToTypeScript.CLITool.Tests.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
     <PackageReference Include="Moq" Version="4.13.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />