diff --git a/src/NetMQ.Tests/NetMQ.Tests.csproj b/src/NetMQ.Tests/NetMQ.Tests.csproj
index c5b2668c..ac51221d 100644
--- a/src/NetMQ.Tests/NetMQ.Tests.csproj
+++ b/src/NetMQ.Tests/NetMQ.Tests.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup>
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-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="xunit" Version="2.4.2-pre.13" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
   </ItemGroup>