diff --git a/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj b/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
index 835f642..73111a0 100644
--- a/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
+++ b/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.8.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.8.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.2" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
diff --git a/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj b/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj
index 1bcdea1..007a563 100644
--- a/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj
+++ b/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.8.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.8.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.2" />
     <PackageReference Include="System.Memory" Version="4.6.3" />
   </ItemGroup>