diff --git a/Gotrue/User.cs b/Gotrue/User.cs
index 023fd2c..a6f2454 100644
--- a/Gotrue/User.cs
+++ b/Gotrue/User.cs
@@ -61,6 +61,9 @@ public class User
 		[JsonProperty("updated_at")]
 		public DateTime? UpdatedAt { get; set; }
 
+		[JsonProperty("banned_until")]
+		public DateTime? BannedUntil { get; set; }
+
 		[JsonProperty("is_anonymous")]
 		public bool IsAnonymous { get; set; }
 
@@ -103,6 +106,19 @@ public class AdminUserAttributes : UserAttributes
 		/// </summary>
 		[JsonProperty("phone_confirm")]
 		public bool? PhoneConfirm { get; set; }
+
+		/// <summary>
+		/// <para>Determines how long a user is banned for. </para>
+		/// <para>This property is ignored when creating a user.
+		/// If you want to create a user banned, first create the user then update it sending this property.</para>
+		/// <para>The format for the ban duration follows a strict sequence of decimal numbers with a unit suffix.
+		/// Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".</para>
+		/// <para>For example, some possible durations include: '300ms', '2h45m', '1200s'.</para>
+		/// <para>Setting the ban duration to "none" lifts the ban on the user.</para>
+		/// <para>Only a service role can modify.</para>
+		/// </summary>
+		[JsonProperty("ban_duration")]
+		public string? BanDuration { get; set; }
 	}
 
 	/// <summary>
diff --git a/GotrueExample/GotrueExample.csproj b/GotrueExample/GotrueExample.csproj
index 7436345..b43c349 100644
--- a/GotrueExample/GotrueExample.csproj
+++ b/GotrueExample/GotrueExample.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GotrueTests/GotrueTests.csproj b/GotrueTests/GotrueTests.csproj
index d965618..381f704 100644
--- a/GotrueTests/GotrueTests.csproj
+++ b/GotrueTests/GotrueTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
diff --git a/GotrueTests/ServiceRoleTests.cs b/GotrueTests/ServiceRoleTests.cs
index 6973e49..4c0b8ca 100644
--- a/GotrueTests/ServiceRoleTests.cs
+++ b/GotrueTests/ServiceRoleTests.cs
@@ -140,6 +140,30 @@ public async Task UpdateUserById()
 			AreNotEqual(createdUser.Email, updatedUser.Email);
 		}
 
+		[TestMethod("Service Role: Ban User by Id")]
+		public async Task BanUserById()
+		{
+			var createdUser = await _client.CreateUser($"{RandomString(12)}@supabase.io", PASSWORD);
+
+			IsNotNull(createdUser);
+
+			int banDurationSeconds = RandomNumber();
+			DateTime bannedUntil = DateTime.UtcNow + TimeSpan.FromSeconds(banDurationSeconds);
+			var updatedUser = await _client.UpdateUserById(createdUser.Id ?? throw new InvalidOperationException(), new AdminUserAttributes { BanDuration = $"{banDurationSeconds}s" });
+
+			IsNotNull(updatedUser);
+
+			AreEqual(createdUser.Id, updatedUser.Id);
+			IsNotNull(updatedUser.BannedUntil);
+			IsTrue((updatedUser.BannedUntil.Value - bannedUntil).Duration().TotalSeconds < 1);
+
+			updatedUser = await _client.UpdateUserById(createdUser.Id ?? throw new InvalidOperationException(), new AdminUserAttributes { BanDuration = "none" });
+			IsNotNull(updatedUser);
+
+			AreEqual(createdUser.Id, updatedUser.Id);
+			IsFalse(updatedUser.BannedUntil.HasValue);
+		}
+
 		[TestMethod("Service Role: Delete User")]
 		public async Task DeletesUser()
 		{
diff --git a/GotrueTests/TestUtils.cs b/GotrueTests/TestUtils.cs
index d155edf..f1b40db 100644
--- a/GotrueTests/TestUtils.cs
+++ b/GotrueTests/TestUtils.cs
@@ -35,6 +35,17 @@ public static string GetRandomPhoneNumber()
 			return $"+1{inner}";
 		}
 
+		/// <summary>
+		/// Returns a random number within the limits specified via parameters.
+		/// </summary>
+		/// <param name="minValue">Minimum value. Default 0.</param>
+		/// <param name="maxValue">Maximum value. Default 1000.</param>
+		/// <returns>Integer within the range.</returns>
+		public static int RandomNumber(int minValue = 0, int maxValue = 1000)
+		{
+			return Random.Next(minValue, maxValue);
+		}
+
 		public static string GenerateServiceRoleToken()
 		{
 			var signingKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("37c304f8-51aa-419a-a1af-06154e63707a")); // using GOTRUE_JWT_SECRET