diff --git a/src/AppCoreNet.Diagnostics.Sources/Ensure.Arg.cs b/src/AppCoreNet.Diagnostics.Sources/Ensure.Arg.cs
index 57dfa96..0d1f80d 100644
--- a/src/AppCoreNet.Diagnostics.Sources/Ensure.Arg.cs
+++ b/src/AppCoreNet.Diagnostics.Sources/Ensure.Arg.cs
@@ -349,8 +349,8 @@ public static void OfGenericType<TExpected>(
         /// <exception cref="ArgumentException">The type argument is not of the expected type.</exception>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         [StackTraceHidden]
+        [RequiresUnreferencedCode("Requires unreferenced code, use the overload with Type parameter.")]
         public static void OfGenericType(
-            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.Interfaces)]
             object? value,
             Type expectedType,
             [CallerArgumentExpression("value")] string? paramName = null)
@@ -371,8 +371,8 @@ public static void OfGenericType(
         /// <exception cref="ArgumentException">The type argument is not of the expected type.</exception>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         [StackTraceHidden]
+        [RequiresUnreferencedCode("Requires unreferenced code, use the overload with Type parameter.")]
         public static void OfGenericType<TExpected>(
-            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.Interfaces)]
             object? value,
             [CallerArgumentExpression("value")] string? paramName = null)
         {
diff --git a/test/AppCoreNet.Diagnostics.Tests/EnsureTests.Arg.cs b/test/AppCoreNet.Diagnostics.Tests/EnsureTests.Arg.cs
index 9112fce..2e7ef43 100644
--- a/test/AppCoreNet.Diagnostics.Tests/EnsureTests.Arg.cs
+++ b/test/AppCoreNet.Diagnostics.Tests/EnsureTests.Arg.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using FluentAssertions;
 using Xunit;
 
@@ -232,6 +233,7 @@ public void OfGenericTypeDoesNotThrowForRelatedTypes(Type expectedType)
         [InlineData(typeof(IEnumerable<>))]
         [InlineData(typeof(ExpectedArgBaseType))]
         [InlineData(typeof(ExpectedArgType))]
+        [RequiresUnreferencedCode("This test requires types to be preserved for reflection.")]
         public void OfGenericTypeDoesNotThrowForRelatedValue(Type expectedType)
         {
             object value = new ExpectedArgType();
@@ -245,6 +247,7 @@ public void OfGenericTypeDoesNotThrowForNullType()
         }
 
         [Fact]
+        [RequiresUnreferencedCode("This test requires types to be preserved for reflection.")]
         public void OfGenericTypeDoesNotThrowForNullValue()
         {
             Ensure.Arg.OfGenericType((object?)null, typeof(string));
@@ -261,6 +264,7 @@ public void OfGenericTypeThrowsForUnrelatedType()
         }
 
         [Fact]
+        [RequiresUnreferencedCode("This test requires types to be preserved for reflection.")]
         public void OfGenericTypeThrowsForUnrelatedValue()
         {
             var exception = Assert.Throws<ArgumentException>(