diff --git a/Directory.Build.props b/Directory.Build.props
index 0369959c..644c4078 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -107,27 +107,32 @@
net6.0;
- net8.0
+ net8.0;
+ net9.0
- net8.0-android34.0
+ net8.0-android34.0;
+ net9.0-android35.0
- net8.0-ios17.5
+ net8.0-ios17.5;
+ net9.0-ios17.5
- net8.0-maccatalyst17.5
+ net8.0-maccatalyst17.5;
+ net9.0-maccatalyst17.5
- net8.0-macos14.5
+ net8.0-macos14.5;
+ net9.0-macos14.5
diff --git a/Directory.Build.targets b/Directory.Build.targets
index b9cbaca2..fb986cc6 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -150,6 +150,11 @@
$(DefineConstants);SUPPORTS_TIME_PROVIDER
+
+ $(DefineConstants);SUPPORTS_CERTIFICATE_LOADER
+
+
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-
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