diff --git a/src/WebSocket.Rx.IntegrationTests/WebSocket.Rx.IntegrationTests.csproj b/src/WebSocket.Rx.IntegrationTests/WebSocket.Rx.IntegrationTests.csproj
index 1daf49d..06fc9c2 100644
--- a/src/WebSocket.Rx.IntegrationTests/WebSocket.Rx.IntegrationTests.csproj
+++ b/src/WebSocket.Rx.IntegrationTests/WebSocket.Rx.IntegrationTests.csproj
@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.4.1"/>
+        <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.5.1"/>
         <PackageReference Include="xunit.v3.mtp-v2" Version="3.2.2"/>
     </ItemGroup>
 
diff --git a/src/WebSocket.Rx.UnitTests/WebSocket.Rx.UnitTests.csproj b/src/WebSocket.Rx.UnitTests/WebSocket.Rx.UnitTests.csproj
index 23f0fdf..3bfd425 100644
--- a/src/WebSocket.Rx.UnitTests/WebSocket.Rx.UnitTests.csproj
+++ b/src/WebSocket.Rx.UnitTests/WebSocket.Rx.UnitTests.csproj
@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.4.1"/>
+        <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.5.1"/>
         <PackageReference Include="NSubstitute" Version="5.3.0"/>
         <PackageReference Include="xunit.v3.mtp-v2" Version="3.2.2"/>
     </ItemGroup>