diff --git a/Src/Notion.Client/Notion.Client.csproj b/Src/Notion.Client/Notion.Client.csproj
index c7e96e08..3e353339 100644
--- a/Src/Notion.Client/Notion.Client.csproj
+++ b/Src/Notion.Client/Notion.Client.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionPrefix>4.2.0-preview</VersionPrefix>
+    <VersionPrefix>4.3.0-preview</VersionPrefix>
     <TargetFramework>netstandard2.0</TargetFramework>
     <LangVersion>9.0</LangVersion>