diff --git a/src/Umbraco.Core/Migrations/Upgrade/UmbracoPlan.cs b/src/Umbraco.Core/Migrations/Upgrade/UmbracoPlan.cs
index a328a13bed..d1da2ef3e0 100644
--- a/src/Umbraco.Core/Migrations/Upgrade/UmbracoPlan.cs
+++ b/src/Umbraco.Core/Migrations/Upgrade/UmbracoPlan.cs
@@ -6,7 +6,7 @@ using Umbraco.Core.Migrations.Upgrade.Common;
 using Umbraco.Core.Migrations.Upgrade.V_8_0_0;
 using Umbraco.Core.Migrations.Upgrade.V_8_0_1;
 using Umbraco.Core.Migrations.Upgrade.V_8_1_0;
-using Umbraco.Core.Migrations.Upgrade.V_8_3_0;
+using Umbraco.Core.Migrations.Upgrade.V_8_4_0;
 
 namespace Umbraco.Core.Migrations.Upgrade
 {
diff --git a/src/Umbraco.Core/Migrations/Upgrade/V_8_3_0/AddPropertyTypeValidationMessageColumns.cs b/src/Umbraco.Core/Migrations/Upgrade/V_8_4_0/AddPropertyTypeValidationMessageColumns.cs
similarity index 92%
rename from src/Umbraco.Core/Migrations/Upgrade/V_8_3_0/AddPropertyTypeValidationMessageColumns.cs
rename to src/Umbraco.Core/Migrations/Upgrade/V_8_4_0/AddPropertyTypeValidationMessageColumns.cs
index ac3f959377..4eb0931979 100644
--- a/src/Umbraco.Core/Migrations/Upgrade/V_8_3_0/AddPropertyTypeValidationMessageColumns.cs
+++ b/src/Umbraco.Core/Migrations/Upgrade/V_8_4_0/AddPropertyTypeValidationMessageColumns.cs
@@ -1,7 +1,7 @@
 using System.Linq;
 using Umbraco.Core.Persistence.Dtos;
 
-namespace Umbraco.Core.Migrations.Upgrade.V_8_3_0
+namespace Umbraco.Core.Migrations.Upgrade.V_8_4_0
 {
     public class AddPropertyTypeValidationMessageColumns : MigrationBase
     {
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 999b69cc9a..08e4d6081a 100755
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -260,7 +260,7 @@
     <Compile Include="Migrations\Upgrade\V_8_0_0\RenameMediaVersionTable.cs" />
     <Compile Include="Migrations\Upgrade\V_8_0_0\DataTypes\ValueListPreValueMigrator.cs" />
     <Compile Include="Migrations\Upgrade\V_8_0_0\DataTypes\UmbracoSliderPreValueMigrator.cs" />
-    <Compile Include="Migrations\Upgrade\V_8_3_0\AddPropertyTypeValidationMessageColumns.cs" />
+    <Compile Include="Migrations\Upgrade\V_8_4_0\AddPropertyTypeValidationMessageColumns.cs" />
     <Compile Include="Migrations\Upgrade\V_8_1_0\FixContentNuCascade.cs" />
     <Compile Include="Migrations\Upgrade\V_8_1_0\RenameUserLoginDtoDateIndex.cs" />
     <Compile Include="Migrations\Upgrade\V_8_0_1\ChangeNuCacheJsonFormat.cs" />
@@ -1573,4 +1573,4 @@
     <Folder Include="Auditing\" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
+</Project>
\ No newline at end of file