diff --git a/Tests/Simulation/LoRaWan.Tests.Simulation.csproj b/Tests/Simulation/LoRaWan.Tests.Simulation.csproj
index 215a511ae1..5b8bf855d1 100644
--- a/Tests/Simulation/LoRaWan.Tests.Simulation.csproj
+++ b/Tests/Simulation/LoRaWan.Tests.Simulation.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkVersion)" />
-    <PackageReference Include="morelinq" Version="3.3.2" />
+    <PackageReference Include="morelinq" Version="4.0.0" />
     <PackageReference Include="xunit" Version="$(XUnitVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XUnitRunnerVisualStudio)">
       <PrivateAssets>all</PrivateAssets>
diff --git a/Tests/Unit/LoRaWan.Tests.Unit.csproj b/Tests/Unit/LoRaWan.Tests.Unit.csproj
index c959dde4fa..78443c8673 100644
--- a/Tests/Unit/LoRaWan.Tests.Unit.csproj
+++ b/Tests/Unit/LoRaWan.Tests.Unit.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(TargetFramework)</TargetFramework>
     <IsTestProject>true</IsTestProject>
@@ -10,7 +10,7 @@
     <PackageReference Include="Jacob" Version="$(JacobVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkVersion)" />
     <PackageReference Include="Moq" Version="$(MoqVersion)" />
-    <PackageReference Include="morelinq" Version="3.3.2" />
+    <PackageReference Include="morelinq" Version="4.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
     <PackageReference Include="StackExchange.Redis" Version="$(StackExchangeRedisVersion)" />