diff --git a/tests/Wave.Tests.vbproj b/tests/Wave.Tests.vbproj
index c69e658c..932244b4 100644
--- a/tests/Wave.Tests.vbproj
+++ b/tests/Wave.Tests.vbproj
@@ -138,10 +138,10 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="MSTest.TestAdapter">
-      <Version>4.1.0</Version>
+      <Version>4.2.1</Version>
     </PackageReference>
     <PackageReference Include="MSTest.TestFramework">
-      <Version>4.1.0</Version>
+      <Version>4.2.1</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>