diff --git a/AustinHarris.JsonRpcTestN/AustinHarris.JsonRpcTestN.csproj b/AustinHarris.JsonRpcTestN/AustinHarris.JsonRpcTestN.csproj
index c5db038..e159d25 100644
--- a/AustinHarris.JsonRpcTestN/AustinHarris.JsonRpcTestN.csproj
+++ b/AustinHarris.JsonRpcTestN/AustinHarris.JsonRpcTestN.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.16.1" />
   </ItemGroup>
diff --git a/Json-Rpc/AustinHarris.JsonRpc.csproj b/Json-Rpc/AustinHarris.JsonRpc.csproj
index f6a680d..e2a5dd0 100644
--- a/Json-Rpc/AustinHarris.JsonRpc.csproj
+++ b/Json-Rpc/AustinHarris.JsonRpc.csproj
@@ -21,7 +21,7 @@
 
 
     <ItemGroup>
-      <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
 
 </Project>
\ No newline at end of file