diff --git a/UndertaleModTests/UndertaleModTests.csproj b/UndertaleModTests/UndertaleModTests.csproj
index dce03d228..2a5b3dfcb 100644
--- a/UndertaleModTests/UndertaleModTests.csproj
+++ b/UndertaleModTests/UndertaleModTests.csproj
@@ -16,6 +16,6 @@
       <Version>3.1.1</Version>
     </PackageReference>
     <PackageReference Include="System.ComponentModel.Composition" Version="5.0.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.3" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
   </ItemGroup>
 </Project>
\ No newline at end of file