diff --git a/src/tests/IntegrationTests/Google.Gemini.IntegrationTests.csproj b/src/tests/IntegrationTests/Google.Gemini.IntegrationTests.csproj
index 1df7fc97..0de1b06b 100644
--- a/src/tests/IntegrationTests/Google.Gemini.IntegrationTests.csproj
+++ b/src/tests/IntegrationTests/Google.Gemini.IntegrationTests.csproj
@@ -9,7 +9,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MSTest" Version="4.1.0" />
+    <PackageReference Include="MSTest" Version="4.2.1" />
     <PackageReference Include="AwesomeAssertions" Version="9.4.0" />
     <PackageReference Include="Microsoft.Extensions.AI" Version="10.4.1" />
   </ItemGroup>