diff --git a/src/tests/IntegrationTests/RetellAI.IntegrationTests.csproj b/src/tests/IntegrationTests/RetellAI.IntegrationTests.csproj
index 002c0bf..34da05e 100644
--- a/src/tests/IntegrationTests/RetellAI.IntegrationTests.csproj
+++ b/src/tests/IntegrationTests/RetellAI.IntegrationTests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MSTest" Version="4.1.0" />
+    <PackageReference Include="MSTest" Version="4.2.1" />
     <PackageReference Include="GitHubActionsTestLogger" Version="3.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>