diff --git a/src/FilterLists.Agent/Extensions/ServiceCollectionExtensions.cs b/src/FilterLists.Agent/Extensions/ServiceCollectionExtensions.cs
index 6d1c516cd..c9e2ef533 100644
--- a/src/FilterLists.Agent/Extensions/ServiceCollectionExtensions.cs
+++ b/src/FilterLists.Agent/Extensions/ServiceCollectionExtensions.cs
@@ -44,6 +44,9 @@ private static void AddConfiguration(this IServiceCollection services)
             var config = new ConfigurationBuilder()
                 .AddEnvironmentVariables()
                 .AddJsonFile("appsettings.json", true, true)
+#if DEBUG
+                .AddJsonFile("appsettings.Development.json", true, true)
+#endif
                 .Build();
             services.Configure<ApplicationInsights>(config.GetSection(nameof(ApplicationInsights)));
             services.Configure<ConnectionStrings>(config.GetSection(nameof(ConnectionStrings)));
diff --git a/src/FilterLists.Agent/FilterLists.Agent.csproj b/src/FilterLists.Agent/FilterLists.Agent.csproj
index 7cbe1f085..197dad676 100644
--- a/src/FilterLists.Agent/FilterLists.Agent.csproj
+++ b/src/FilterLists.Agent/FilterLists.Agent.csproj
@@ -48,6 +48,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <None Update="appsettings.Development.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="appsettings.json">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>