diff --git a/src/NServiceBus.Newtonsoft.Json/NServiceBus.Newtonsoft.Json.csproj b/src/NServiceBus.Newtonsoft.Json/NServiceBus.Newtonsoft.Json.csproj
index 033877d..26c4a64 100644
--- a/src/NServiceBus.Newtonsoft.Json/NServiceBus.Newtonsoft.Json.csproj
+++ b/src/NServiceBus.Newtonsoft.Json/NServiceBus.Newtonsoft.Json.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="[11.0.1, 12.0.0)" />
+    <PackageReference Include="Newtonsoft.Json" Version="[12.0.1, 13.0.0)" />
     <PackageReference Include="NServiceBus" Version="[7.0.0, 8.0.0)" />
     <PackageReference Include="Particular.Packaging" Version="0.1.0" PrivateAssets="All" />
   </ItemGroup>
@@ -17,4 +17,4 @@
     <DotNetCliToolReference Include="dotnet-sourcelink-git" Version="2.5.0" />
   </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/Tests/Tests.csproj b/src/Tests/Tests.csproj
index 47472df..0cffe1e 100644
--- a/src/Tests/Tests.csproj
+++ b/src/Tests/Tests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="ApprovalTests" Version="3.0.13" NoWarn="NU1701" />
     <PackageReference Include="ApprovalUtilities" Version="3.0.13" NoWarn="NU1701" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
     <PackageReference Include="NServiceBus" Version="7.1.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <!-- requires a version that works with PublicApiGenerator (Mono.Cecil) -->