diff --git a/OpenAI.SDK/Betalgo.Ranul.OpenAI.csproj b/OpenAI.SDK/Betalgo.Ranul.OpenAI.csproj
index c3cf8d0d..a660524b 100644
--- a/OpenAI.SDK/Betalgo.Ranul.OpenAI.csproj
+++ b/OpenAI.SDK/Betalgo.Ranul.OpenAI.csproj
@@ -10,7 +10,7 @@
 		<PackageIcon>Betalgo-Ranul-OpenAI-icon.png</PackageIcon>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Title>OpenAI SDK by Betalgo</Title>
-		<Version>8.10.1</Version>
+		<Version>9.0.0</Version>
 		<Authors>Tolga Kayhan, Betalgo</Authors>
 		<Company>Betalgo Up Ltd.</Company>
 		<Product>OpenAI .NET library by Betalgo Ranul</Product>
diff --git a/OpenAI.Utilities/Betalgo.OpenAI.Utilities.csproj b/OpenAI.Utilities/Betalgo.OpenAI.Utilities.csproj
index a96f0a38..5751ae7c 100644
--- a/OpenAI.Utilities/Betalgo.OpenAI.Utilities.csproj
+++ b/OpenAI.Utilities/Betalgo.OpenAI.Utilities.csproj
@@ -9,7 +9,7 @@
 		<PackageProjectUrl>https://openai.com/</PackageProjectUrl>
 		<PackageIcon>OpenAI-Betalgo.png</PackageIcon>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-		<Version>8.1.0</Version>
+		<Version>9.0.0</Version>
 		<Authors>Tolga Kayhan, Betalgo</Authors>
 		<Company>Betalgo Up Ltd.</Company>
 		<Product>Utility tools for Betalgo.OpenAI</Product>
diff --git a/Readme.md b/Readme.md
index 581378ed..32cf8f9a 100644
--- a/Readme.md
+++ b/Readme.md
@@ -117,6 +117,11 @@ Due to time constraints, not all methods have been thoroughly tested or fully do
 Needless to say, I cannot accept responsibility for any damage caused by using the library.
 
 ## Changelog
+### 9.0.0
+- .NET 9 support added.
+- ⚠️ Support for .NET 6 and .NET 7 has ended.
+- Fixed utility library issues and synced with latest version.
+
 ### 8.10.1
 - Fixed an issue with the `Store` parameter being included in requests by default, causing errors with Azure OpenAI models. The parameter is now optional and excluded from serialization unless explicitly set.