diff --git a/src/Ztm.WebApi.Tests/Ztm.WebApi.Tests.csproj b/src/Ztm.WebApi.Tests/Ztm.WebApi.Tests.csproj
index cc384e9..7b59cb8 100644
--- a/src/Ztm.WebApi.Tests/Ztm.WebApi.Tests.csproj
+++ b/src/Ztm.WebApi.Tests/Ztm.WebApi.Tests.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="Moq" Version="4.13.1" />
     <PackageReference Include="NBitcoin" Version="4.2.16" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="NSubstitute" Version="4.2.0" />
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
diff --git a/src/Ztm.WebApi/Ztm.WebApi.csproj b/src/Ztm.WebApi/Ztm.WebApi.csproj
index e0a41bb..6d86a86 100644
--- a/src/Ztm.WebApi/Ztm.WebApi.csproj
+++ b/src/Ztm.WebApi/Ztm.WebApi.csproj
@@ -14,7 +14,7 @@
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.1.2" PrivateAssets="All" />
     <PackageReference Include="NBitcoin" Version="4.2.16" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>