diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 43e3d208f0..abe215a954 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -4,9 +4,9 @@
         <TargetFramework>netstandard2.0</TargetFramework>
         <LangVersion>8</LangVersion>
         <RootNamespace>Umbraco.Core</RootNamespace>
-        <AssemblyVersion>9.0.0</AssemblyVersion>
-        <InformationalVersion>9.0.0</InformationalVersion>
-        <FileVersion>9.0.0</FileVersion>
+        <AssemblyVersion>0.5.0</AssemblyVersion>
+        <InformationalVersion>0.5.0</InformationalVersion>
+        <FileVersion>0.5.0</FileVersion>
         <Product>Umbraco CMS</Product>
     </PropertyGroup>