diff --git a/Iceshrimp.Backend/Core/Configuration/Config.cs b/Iceshrimp.Backend/Core/Configuration/Config.cs
index 76e70971..ece0e692 100644
--- a/Iceshrimp.Backend/Core/Configuration/Config.cs
+++ b/Iceshrimp.Backend/Core/Configuration/Config.cs
@@ -70,7 +70,9 @@ public sealed class Config
 
 	public sealed class NetworkSection
 	{
-		public string? HttpProxy { get; init; } = null;
+		public string? HttpProxy     { get; init; } = null;
+		public string? HttpProxyUser { get; init; } = null!;
+		public string? HttpProxyPass { get; init; } = null!;
 	}
 
 	public sealed class DatabaseSection
diff --git a/Iceshrimp.Backend/Core/Services/CustomHttpClient.cs b/Iceshrimp.Backend/Core/Services/CustomHttpClient.cs
index 77d9175f..ac9c83b6 100644
--- a/Iceshrimp.Backend/Core/Services/CustomHttpClient.cs
+++ b/Iceshrimp.Backend/Core/Services/CustomHttpClient.cs
@@ -37,7 +37,16 @@ public class CustomHttpClient : HttpClient, IService<HttpClient>, ISingletonServ
 		ILoggerFactory loggerFactory
 	)
 	{
-		var proxy        = network.Value.HttpProxy != null ? new WebProxy(network.Value.HttpProxy) : null;
+		// Configure HTTP proxy, if enabled
+		WebProxy? proxy = null;
+		if (network.Value.HttpProxy != null)
+		{
+			var creds = network.Value.HttpProxyUser != null || network.Value.HttpProxyPass != null
+				? new NetworkCredential(network.Value.HttpProxyUser, network.Value.HttpProxyPass)
+				: null;
+			proxy = new WebProxy(network.Value.HttpProxy, false, null, creds);
+		}
+
 		var fastFallback = new FastFallback(loggerFactory.CreateLogger<FastFallback>(), security, proxy != null);
 		var innerHandler = new SocketsHttpHandler
 		{
diff --git a/Iceshrimp.Backend/configuration.ini b/Iceshrimp.Backend/configuration.ini
index 04ac8a87..8f9588ca 100644
--- a/Iceshrimp.Backend/configuration.ini
+++ b/Iceshrimp.Backend/configuration.ini
@@ -80,6 +80,8 @@ PublicPreview = Public
 [Network]
 ;; Uncomment to use the specified HTTP proxy for all outgoing requests. Backend restart is required to apply changes.
 ;HttpProxy = 127.0.0.1:8080
+;HttpProxyUser =
+;HttpProxyPass =
 
 [Performance]
 ;; Maximum number of incoming federation requests to handle concurrently.