diff --git a/PusherClient.Tests/packages.config b/PusherClient.Tests/packages.config
index 360f22e0..bdc350ae 100644
--- a/PusherClient.Tests/packages.config
+++ b/PusherClient.Tests/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net45" />
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net471" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net471" />
   <package id="Nito.AsyncEx" version="4.0.1" targetFramework="net45" />
   <package id="NSubstitute" version="3.1.0" targetFramework="net45" requireReinstallation="true" />
   <package id="NUnit" version="3.10.1" targetFramework="net45" />
diff --git a/PusherClient/PusherClient.csproj b/PusherClient/PusherClient.csproj
index be35c4a8..cafcb381 100644
--- a/PusherClient/PusherClient.csproj
+++ b/PusherClient/PusherClient.csproj
@@ -19,7 +19,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="WebSocket4Net" Version="0.15.2" />
   </ItemGroup>