diff --git a/src/HttpOverStream.NamedPipe/HttpOverStream.NamedPipe.csproj b/src/HttpOverStream.NamedPipe/HttpOverStream.NamedPipe.csproj
index bc4fc34..7a00eff 100644
--- a/src/HttpOverStream.NamedPipe/HttpOverStream.NamedPipe.csproj
+++ b/src/HttpOverStream.NamedPipe/HttpOverStream.NamedPipe.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/HttpOverStream.Server.Owin.Tests/packages.config b/src/HttpOverStream.Server.Owin.Tests/packages.config
index 5cc2825..b390322 100644
--- a/src/HttpOverStream.Server.Owin.Tests/packages.config
+++ b/src/HttpOverStream.Server.Owin.Tests/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.Owin" version="4.0.1" targetFramework="net461" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net461" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
   <package id="Owin" version="1.0" targetFramework="net461" />
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net461" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net461" />