diff --git a/tools/SyncProjects2/MsgPack.Tools.Build.SyncProject/MsgPack.Tools.Build.SyncProject.csproj b/tools/SyncProjects2/MsgPack.Tools.Build.SyncProject/MsgPack.Tools.Build.SyncProject.csproj
index 9162aacbe..9e27d9d7c 100644
--- a/tools/SyncProjects2/MsgPack.Tools.Build.SyncProject/MsgPack.Tools.Build.SyncProject.csproj
+++ b/tools/SyncProjects2/MsgPack.Tools.Build.SyncProject/MsgPack.Tools.Build.SyncProject.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Build" Version="15.3.409" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file