diff --git a/Tests/Serilog.Exceptions.Test/Destructurers/DbUpdateExceptionDestructurerTest.cs b/Tests/Serilog.Exceptions.Test/Destructurers/DbUpdateExceptionDestructurerTest.cs
index c5f498ed..d96baa89 100644
--- a/Tests/Serilog.Exceptions.Test/Destructurers/DbUpdateExceptionDestructurerTest.cs
+++ b/Tests/Serilog.Exceptions.Test/Destructurers/DbUpdateExceptionDestructurerTest.cs
@@ -1,3 +1,5 @@
+#if NETCOREAPP
+#pragma warning disable CA1307
 namespace Serilog.Exceptions.Test.Destructurers;
 
 using System.IO;
@@ -31,8 +33,8 @@ public void WithoutDbUpdateExceptionDestructurerShouldLogDbValues()
         logger.Error(new TestDbUpdateException("DbUpdate Error", entry), "Error");
 
         var writtenJson = jsonWriter.ToString();
-        Assert.True(writtenJson.Contains(TestContext.UserIdIDoNotWantToSee, StringComparison.Ordinal) ||
-            writtenJson.Contains("\"Users\":\"threw System.TypeInitializationException", StringComparison.Ordinal));
+        Assert.True(writtenJson.Contains(TestContext.UserIdIDoNotWantToSee) ||
+            writtenJson.Contains("\"Users\":\"threw System.TypeInitializationException"));
     }
 
     [Fact]
@@ -100,3 +102,5 @@ internal class TestDbUpdateExceptionDestructurer : DbUpdateExceptionDestructurer
         public override Type[] TargetTypes => [typeof(TestDbUpdateException)];
     }
 }
+
+#endif
diff --git a/Tests/Serilog.Exceptions.Test/Destructurers/ExceptionDestructurerTest.cs b/Tests/Serilog.Exceptions.Test/Destructurers/ExceptionDestructurerTest.cs
index d56f63e4..0f468ada 100644
--- a/Tests/Serilog.Exceptions.Test/Destructurers/ExceptionDestructurerTest.cs
+++ b/Tests/Serilog.Exceptions.Test/Destructurers/ExceptionDestructurerTest.cs
@@ -148,6 +148,22 @@ public void WhenExceptionContainsDictionaryWithNonScalarValue_ShouldNotThrow()
         Assert.Equal("System.Collections.Generic.List`1[System.Int32]", property.Name);
     }
 
+    public class DictNonScalarKeyException : Exception
+    {
+        public DictNonScalarKeyException() => this.Reference = [];
+
+        public DictNonScalarKeyException(string message)
+            : base(message) =>
+            this.Reference = [];
+
+        public DictNonScalarKeyException(string message, Exception innerException)
+            : base(message, innerException) =>
+            this.Reference = [];
+
+        public Dictionary<IEnumerable<int>, object> Reference { get; }
+    }
+
+#if NETCOREAPP
     [Fact]
     public void WhenExceptionContainsDbContext_ShouldSkipIQueryableProperties()
     {
@@ -172,21 +188,6 @@ public void WhenExceptionContainsDbContext_ShouldSkipIQueryableProperties()
         Assert.Equal("IQueryable skipped", value);
     }
 
-    public class DictNonScalarKeyException : Exception
-    {
-        public DictNonScalarKeyException() => this.Reference = [];
-
-        public DictNonScalarKeyException(string message)
-            : base(message) =>
-            this.Reference = [];
-
-        public DictNonScalarKeyException(string message, Exception innerException)
-            : base(message, innerException) =>
-            this.Reference = [];
-
-        public Dictionary<IEnumerable<int>, object> Reference { get; }
-    }
-
 #pragma warning disable CS3001 // Argument type is not CLS-compliant
 #pragma warning disable CS3003 // Type is not CLS-compliant
     public class CustomDbContextException(string name, DbContext context) :
@@ -212,4 +213,6 @@ public class CustomerEntity
             public int Id { get; set; }
         }
     }
+
+#endif
 }
diff --git a/Tests/Serilog.Exceptions.Test/Destructurers/ReflectionBasedDestructurerTest.cs b/Tests/Serilog.Exceptions.Test/Destructurers/ReflectionBasedDestructurerTest.cs
index 22301cd3..8ebfec33 100644
--- a/Tests/Serilog.Exceptions.Test/Destructurers/ReflectionBasedDestructurerTest.cs
+++ b/Tests/Serilog.Exceptions.Test/Destructurers/ReflectionBasedDestructurerTest.cs
@@ -135,7 +135,12 @@ public void CanDestructureFaultedTask()
 
         Assert.Contains("Message", taskFirstLevelExceptionDictionary.Keys);
         var message = Assert.IsType<string>(taskFirstLevelExceptionDictionary["Message"]);
+
+#if NETCOREAPP
         Assert.Equal("One or more errors occurred. (INNER EXCEPTION MESSAGE)", message);
+#else
+        Assert.Equal("One or more errors occurred.", message);
+#endif
 
         Assert.Contains("InnerExceptions", taskFirstLevelExceptionDictionary.Keys);
         var innerExceptions = Assert.IsType<IReadOnlyCollection<object>>(taskFirstLevelExceptionDictionary["InnerExceptions"], exactMatch: false);
diff --git a/Tests/Serilog.Exceptions.Test/Serilog.Exceptions.Test.csproj b/Tests/Serilog.Exceptions.Test/Serilog.Exceptions.Test.csproj
index fd009d1d..a4a462dc 100644
--- a/Tests/Serilog.Exceptions.Test/Serilog.Exceptions.Test.csproj
+++ b/Tests/Serilog.Exceptions.Test/Serilog.Exceptions.Test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup Label="Build">
-    <TargetFrameworks>net9.0;net8.0;net7.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0;net7.0;net6.0;net481</TargetFrameworks>
     <NoWarn>$(NoWarn);CA1861;CA2007</NoWarn>
   </PropertyGroup>
 
@@ -37,4 +37,8 @@
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
 </Project>