diff --git a/DitzyExtensions/DitzyExtensions.csproj b/DitzyExtensions/DitzyExtensions.csproj
index cebbaa4..d6fe521 100644
--- a/DitzyExtensions/DitzyExtensions.csproj
+++ b/DitzyExtensions/DitzyExtensions.csproj
@@ -6,7 +6,7 @@
1.3.0
a collection of extensions and utilities for making it easier and more convenient to program in a functional style and with collection classes.
https://github.com/dit-zy/ditzy-extensions
- net8.0;net7.0;net6.0;net48;netstandard2.0
+ net9.0;net8.0;net7.0;net6.0;net48;netstandard2.0
true