diff --git a/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj b/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
index c6d269d..5df5ffa 100644
--- a/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
+++ b/tests/WsjtxUtils.WsjtxMessages.Tests/WsjtxUtils.WsjtxMessages.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.3.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.3.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.4.3" />
   </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 77b9c40..e88d1b7 100644
--- a/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj
+++ b/tests/WsjtxUtils.WsjtxUdpServer.Tests/WsjtxUtils.WsjtxUdpServer.Tests.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.3.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.3.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.4.3" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">