diff --git a/GitHubActionsTestLogger/MtpIntegration.cs b/GitHubActionsTestLogger/MtpIntegration.cs
index 997b6d2..9e567bd 100644
--- a/GitHubActionsTestLogger/MtpIntegration.cs
+++ b/GitHubActionsTestLogger/MtpIntegration.cs
@@ -31,7 +31,7 @@ public void AddGitHubActionsReporting(TextWriter commandWriter, TextWriter summa
             );
 
             testApplicationBuilder.TestHost.AddDataConsumer(compositeExtension);
-            testApplicationBuilder.TestHost.AddTestSessionLifetimeHandle(compositeExtension);
+            testApplicationBuilder.TestHost.AddTestSessionLifetimeHandler(compositeExtension);
 
             testApplicationBuilder.CommandLine.AddProvider(() => new MtpLoggerOptionsProvider());
         }
diff --git a/GitHubActionsTestLogger/MtpLogger.cs b/GitHubActionsTestLogger/MtpLogger.cs
index 70ccee7..c036045 100644
--- a/GitHubActionsTestLogger/MtpLogger.cs
+++ b/GitHubActionsTestLogger/MtpLogger.cs
@@ -109,7 +109,10 @@ CancellationToken cancellationToken
                 ErrorTestNodeStateProperty => TestOutcome.Failed,
                 TimeoutTestNodeStateProperty => TestOutcome.Failed,
                 SkippedTestNodeStateProperty => TestOutcome.Skipped,
+                // Backwards compatibility with frameworks that still emit this property
+#pragma warning disable CS0618
                 CancelledTestNodeStateProperty => TestOutcome.Skipped,
+#pragma warning restore CS0618
                 _ => TestOutcome.None,
             },
             state.Explanation ?? exception?.Message,