diff --git a/src/Nethereum.Hex/Nethereum.Hex.csproj b/src/Nethereum.Hex/Nethereum.Hex.csproj
index db83118ce..8a5550e38 100644
--- a/src/Nethereum.Hex/Nethereum.Hex.csproj
+++ b/src/Nethereum.Hex/Nethereum.Hex.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Condition=" '$(TargetFramework)' != 'net35'" Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Condition=" '$(TargetFramework)' != 'net35'" Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">