diff --git a/CSharp/Test/TestBasic/TestBasic.csproj b/CSharp/Test/TestBasic/TestBasic.csproj
index 27af5f8..2f02c85 100644
--- a/CSharp/Test/TestBasic/TestBasic.csproj
+++ b/CSharp/Test/TestBasic/TestBasic.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/CSharp/Test/TestConcurrency/TestConcurrency.csproj b/CSharp/Test/TestConcurrency/TestConcurrency.csproj
index 27af5f8..2f02c85 100644
--- a/CSharp/Test/TestConcurrency/TestConcurrency.csproj
+++ b/CSharp/Test/TestConcurrency/TestConcurrency.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4" />
   </ItemGroup>
 
   <ItemGroup>