diff --git a/src/tests/CSharpToJsonSchema.IntegrationTests/CSharpToJsonSchema.IntegrationTests.csproj b/src/tests/CSharpToJsonSchema.IntegrationTests/CSharpToJsonSchema.IntegrationTests.csproj
index 24ab2ef..8b78711 100644
--- a/src/tests/CSharpToJsonSchema.IntegrationTests/CSharpToJsonSchema.IntegrationTests.csproj
+++ b/src/tests/CSharpToJsonSchema.IntegrationTests/CSharpToJsonSchema.IntegrationTests.csproj
@@ -14,7 +14,7 @@
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       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MSTest" Version="3.9.2" />
+    <PackageReference Include="MSTest" Version="3.9.3" />
     <PackageReference Include="FluentAssertions" Version="8.3.0" />
     <PackageReference Include="NUnit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
diff --git a/src/tests/CSharpToJsonSchema.MeaiTests/CSharpToJsonSchema.MeaiTests.csproj b/src/tests/CSharpToJsonSchema.MeaiTests/CSharpToJsonSchema.MeaiTests.csproj
index b0d805c..c9f9676 100644
--- a/src/tests/CSharpToJsonSchema.MeaiTests/CSharpToJsonSchema.MeaiTests.csproj
+++ b/src/tests/CSharpToJsonSchema.MeaiTests/CSharpToJsonSchema.MeaiTests.csproj
@@ -17,7 +17,7 @@
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         <PackageReference Include="Microsoft.Extensions.AI.OpenAI" Version="9.3.0-preview.1.25161.3" />
-        <PackageReference Include="MSTest" Version="3.9.2" />
+        <PackageReference Include="MSTest" Version="3.9.3" />
         <PackageReference Include="FluentAssertions" Version="8.3.0" />
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diff --git a/src/tests/CSharpToJsonSchema.SnapshotTests/CSharpToJsonSchema.SnapshotTests.csproj b/src/tests/CSharpToJsonSchema.SnapshotTests/CSharpToJsonSchema.SnapshotTests.csproj
index e9d0555..a76df02 100644
--- a/src/tests/CSharpToJsonSchema.SnapshotTests/CSharpToJsonSchema.SnapshotTests.csproj
+++ b/src/tests/CSharpToJsonSchema.SnapshotTests/CSharpToJsonSchema.SnapshotTests.csproj
@@ -14,7 +14,7 @@
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-    <PackageReference Include="MSTest" Version="3.9.2" />
+    <PackageReference Include="MSTest" Version="3.9.3" />
     <PackageReference Include="FluentAssertions" Version="8.3.0" />
   </ItemGroup>
   
diff --git a/src/tests/CSharpToJsonSchema.UnitTests/CSharpToJsonSchema.UnitTests.csproj b/src/tests/CSharpToJsonSchema.UnitTests/CSharpToJsonSchema.UnitTests.csproj
index 9b75e76..ab16a15 100644
--- a/src/tests/CSharpToJsonSchema.UnitTests/CSharpToJsonSchema.UnitTests.csproj
+++ b/src/tests/CSharpToJsonSchema.UnitTests/CSharpToJsonSchema.UnitTests.csproj
@@ -14,7 +14,7 @@
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-    <PackageReference Include="MSTest" Version="3.9.2" />
+    <PackageReference Include="MSTest" Version="3.9.3" />
     <PackageReference Include="FluentAssertions" Version="8.3.0" />
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