diff --git a/Logic/MPLib.csproj b/Logic/MPLib.csproj
index 55b740c..025d676 100644
--- a/Logic/MPLib.csproj
+++ b/Logic/MPLib.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="protobuf-net" Version="3.0.29" />
     <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
     <PackageReference Include="System.Security.Cryptography.Cng" Version="4.7.0" />
diff --git a/Tests/packages.config b/Tests/packages.config
index be507b3..aeee5b0 100644
--- a/Tests/packages.config
+++ b/Tests/packages.config
@@ -9,7 +9,7 @@
   <package id="Nethereum.Signer" version="3.4.0" targetFramework="net45" />
   <package id="Nethereum.Util" version="3.4.0" targetFramework="net45" />
   <package id="NETStandard.Library" version="1.6.1" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" />
   <package id="Portable.BouncyCastle" version="1.8.2" targetFramework="net45" />
   <package id="System.Collections" version="4.3.0" targetFramework="net45" />
   <package id="System.Collections.Concurrent" version="4.3.0" targetFramework="net45" />