diff --git a/src/tests/Anthropic.IntegrationTests/Anthropic.IntegrationTests.csproj b/src/tests/Anthropic.IntegrationTests/Anthropic.IntegrationTests.csproj
index 89a0517..ee569c4 100644
--- a/src/tests/Anthropic.IntegrationTests/Anthropic.IntegrationTests.csproj
+++ b/src/tests/Anthropic.IntegrationTests/Anthropic.IntegrationTests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup Label="Base packages">
-    <PackageReference Include="MSTest" Version="3.7.2" />
+    <PackageReference Include="MSTest" Version="3.7.3" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>