diff --git a/src/synthesizer/synthesizer.csproj b/src/synthesizer/synthesizer.csproj
index 1f23b24..b691f5f 100644
--- a/src/synthesizer/synthesizer.csproj
+++ b/src/synthesizer/synthesizer.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="NAudio" Version="1.10.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>