diff --git a/src/Marvin.StreamExtensions/Marvin.StreamExtensions.csproj b/src/Marvin.StreamExtensions/Marvin.StreamExtensions.csproj
index 67d8209..69e508c 100644
--- a/src/Marvin.StreamExtensions/Marvin.StreamExtensions.csproj
+++ b/src/Marvin.StreamExtensions/Marvin.StreamExtensions.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>
diff --git a/test/Marvin.StreamExtensions.Test/Marvin.StreamExtensions.Test.csproj b/test/Marvin.StreamExtensions.Test/Marvin.StreamExtensions.Test.csproj
index ef5eda8..a6326b0 100644
--- a/test/Marvin.StreamExtensions.Test/Marvin.StreamExtensions.Test.csproj
+++ b/test/Marvin.StreamExtensions.Test/Marvin.StreamExtensions.Test.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
   </ItemGroup>