diff --git a/back/nuget.config b/back/nuget.config
index d2e42a8d..36efeadd 100644
--- a/back/nuget.config
+++ b/back/nuget.config
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-  <packageSources>
-    <clear/>
-    <add key="local-packages" value="/home/zoriya/projects/EntityFrameworkCore.Projectables/nupkg/" />
-    <add key="nuget" value="https://api.nuget.org/v3/index.json"/>
-  </packageSources>
-  <disabledPackageSources>
-    <clear/>
-  </disabledPackageSources>
-  <fallbackPackageFolders>
-    <clear/>
-  </fallbackPackageFolders>
+	<packageSources>
+		<clear/>
+		<add key="feedz" value="https://f.feedz.io/zoriya/entityframeworkcore-projectables/nuget/index.json"/>
+		<add key="nuget" value="https://api.nuget.org/v3/index.json"/>
+	</packageSources>
+	<disabledPackageSources>
+		<clear/>
+	</disabledPackageSources>
+	<fallbackPackageFolders>
+		<clear/>
+	</fallbackPackageFolders>
 </configuration>
diff --git a/back/src/Kyoo.Abstractions/Kyoo.Abstractions.csproj b/back/src/Kyoo.Abstractions/Kyoo.Abstractions.csproj
index 34b9a66f..06b56d29 100644
--- a/back/src/Kyoo.Abstractions/Kyoo.Abstractions.csproj
+++ b/back/src/Kyoo.Abstractions/Kyoo.Abstractions.csproj
@@ -8,7 +8,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Autofac" Version="7.1.0" />
-		<PackageReference Include="EntityFrameworkCore.Projectables" Version="5.0.0" />
+		<PackageReference Include="EntityFrameworkCore.Projectables" Version="4.0.0-prebeta" />
 		<PackageReference Include="JetBrains.Annotations" Version="2023.2.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.2.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="7.0.0" />
diff --git a/back/src/Kyoo.Postgresql/Kyoo.Postgresql.csproj b/back/src/Kyoo.Postgresql/Kyoo.Postgresql.csproj
index 9decf467..f6207284 100644
--- a/back/src/Kyoo.Postgresql/Kyoo.Postgresql.csproj
+++ b/back/src/Kyoo.Postgresql/Kyoo.Postgresql.csproj
@@ -7,7 +7,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="EFCore.NamingConventions" Version="7.0.2" />
-		<PackageReference Include="EntityFrameworkCore.Projectables" Version="5.0.0" />
+		<PackageReference Include="EntityFrameworkCore.Projectables" Version="4.0.0-prebeta" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.12">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>