diff --git a/Sources/Ditch.Ethereum.Tests/packages.config b/Sources/Ditch.Ethereum.Tests/packages.config
index f3f1b744..abb9bb31 100644
--- a/Sources/Ditch.Ethereum.Tests/packages.config
+++ b/Sources/Ditch.Ethereum.Tests/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Cryptography.ECDSA.Secp256K1" version="1.1.2" targetFramework="net47" />
   <package id="Ditch.Core" version="4.1.1-alpha2" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="NUnit" version="3.11.0" targetFramework="net47" />
   <package id="SuperSocket.ClientEngine.Core" version="0.10.0" targetFramework="net47" />
   <package id="System.Collections.Specialized" version="4.3.0" targetFramework="net47" />
diff --git a/Sources/Ditch.Ethereum/Ditch.Ethereum.csproj b/Sources/Ditch.Ethereum/Ditch.Ethereum.csproj
index d35deb9f..241bc321 100644
--- a/Sources/Ditch.Ethereum/Ditch.Ethereum.csproj
+++ b/Sources/Ditch.Ethereum/Ditch.Ethereum.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="Ditch.Core" Version="4.1.1-alpha2" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>