diff --git a/IEXSharp/Helper/ExecutorBase.cs b/IEXSharp/Helper/ExecutorBase.cs
index 07d5dc4..a20457d 100644
--- a/IEXSharp/Helper/ExecutorBase.cs
+++ b/IEXSharp/Helper/ExecutorBase.cs
@@ -26,16 +26,8 @@ internal static JsonSerializerOptions JsonSerializerOptions
 				}
 				else
 				{
-					jsonSerializerOptions = new JsonSerializerOptions
-					{
-						IgnoreNullValues = true,
-						PropertyNameCaseInsensitive = true,
-					};
+					jsonSerializerOptions = new JsonSerializerOptions(JsonSerializerDefaults.Web);
 					jsonSerializerOptions.Converters.Add(new DictionaryDatetimeTValueConverter());
-					jsonSerializerOptions.Converters.Add(new Int32Converter());
-					jsonSerializerOptions.Converters.Add(new Int64Converter());
-					jsonSerializerOptions.Converters.Add(new DecimalConverter());
-					jsonSerializerOptions.Converters.Add(new DecimalNullableConverter());
 					jsonSerializerOptions.Converters.Add(new StringConverter());
 					jsonSerializerOptions.Converters.Add(new DateTimeConverter());
 					return jsonSerializerOptions;
diff --git a/IEXSharp/Helper/JSONConverters.cs b/IEXSharp/Helper/JSONConverters.cs
index c7f8d0a..3e0bacc 100644
--- a/IEXSharp/Helper/JSONConverters.cs
+++ b/IEXSharp/Helper/JSONConverters.cs
@@ -56,41 +56,6 @@ public override void Write(Utf8JsonWriter writer, string value,
 			JsonSerializerOptions options) => writer.WriteStringValue(value);
 	}
 
-	/// <summary> Allow both quoted and unquoted numbers on  deserialize. </summary>
-	public class Int32Converter : JsonConverter<int?>
-	{
-		public override int? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-		{
-			if (reader.TokenType == JsonTokenType.String)
-			{
-				var stringValue = reader.GetString();
-				if (int.TryParse(stringValue, out var value))
-				{
-					return value;
-				}
-				return null;
-			}
-			if (reader.TokenType == JsonTokenType.Number)
-			{
-				return reader.GetInt32();
-			}
-			throw new JsonException();
-		}
-
-		public override void Write(Utf8JsonWriter writer, int? input,
-			JsonSerializerOptions options)
-		{
-			if (input.HasValue)
-			{
-				writer.WriteNumberValue(input.Value);
-			}
-			else
-			{
-				writer.WriteNullValue();
-			}
-		}
-	}
-
 	public class DateTimeConverter : JsonConverter<DateTime?>
 	{
 		public override DateTime? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
@@ -122,104 +87,6 @@ public override void Write(Utf8JsonWriter writer, DateTime? input,
 		}
 	}
 
-	/// <summary> Allow both quoted and unquoted numbers on  deserialize. </summary>
-	public class Int64Converter : JsonConverter<long?>
-	{
-		public override long? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-		{
-			if (reader.TokenType == JsonTokenType.String)
-			{
-				var stringValue = reader.GetString();
-				if (long.TryParse(stringValue, out var value))
-				{
-					return value;
-				}
-				return null;
-			}
-			if (reader.TokenType == JsonTokenType.Number)
-			{
-				return reader.GetInt64();
-			}
-			throw new JsonException();
-		}
-
-		public override void Write(Utf8JsonWriter writer, long? input,
-			JsonSerializerOptions options)
-		{
-			if (input.HasValue)
-			{
-				writer.WriteNumberValue(input.Value);
-			}
-			else
-			{
-				writer.WriteNullValue();
-			}
-		}
-	}
-
-	/// <summary> Allow both quoted and unquoted numbers on  deserialize. </summary>
-	public class DecimalConverter : JsonConverter<decimal>
-	{
-		public override decimal Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-		{
-			if (reader.TokenType == JsonTokenType.String)
-			{
-				var stringValue = reader.GetString();
-				if (decimal.TryParse(stringValue, out var value))
-				{
-					return value;
-				}
-				throw new JsonException();
-			}
-			if (reader.TokenType == JsonTokenType.Number)
-			{
-				return reader.GetDecimal();
-			}
-			throw new JsonException();
-		}
-
-		public override void Write(Utf8JsonWriter writer, decimal input,
-			JsonSerializerOptions options)
-		{
-			writer.WriteNumberValue(input);
-		}
-	}
-
-	/// <summary> Allow both quoted and unquoted numbers on  deserialize. </summary>
-	public class DecimalNullableConverter : JsonConverter<decimal?>
-	{
-		public override decimal? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-		{
-			if (reader.TokenType == JsonTokenType.String)
-			{
-				var stringValue = reader.GetString();
-				if (decimal.TryParse(stringValue, out var value))
-				{
-					return value;
-				}
-				return null;
-			}
-			if (reader.TokenType == JsonTokenType.Number)
-			{
-				return reader.GetDecimal();
-			}
-			throw new JsonException();
-		}
-
-		public override void Write(Utf8JsonWriter writer, decimal? input,
-			JsonSerializerOptions options)
-		{
-			if (input.HasValue)
-			{
-				writer.WriteNumberValue(input.Value);
-			}
-			else
-			{
-				writer.WriteNullValue();
-			}
-		}
-	}
-
 	/// <summary>
 	/// Allow dictionaries with key of type DateTime (System.Text.Json only supports keys of type string)
 	/// </summary>
diff --git a/IEXSharp/IEXSharp.csproj b/IEXSharp/IEXSharp.csproj
index 68f3955..f022bbf 100644
--- a/IEXSharp/IEXSharp.csproj
+++ b/IEXSharp/IEXSharp.csproj
@@ -40,9 +40,9 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="LaunchDarkly.EventSource" Version="3.3.2" />
-		<PackageReference Include="Polly" Version="7.2.1" />
-		<PackageReference Include="System.Text.Json" Version="4.7.2" />
+		<PackageReference Include="LaunchDarkly.EventSource" Version="4.0.0" />
+		<PackageReference Include="Polly" Version="7.2.2" />
+		<PackageReference Include="System.Text.Json" Version="5.0.1" />
 
 		<!--development dependency, which means it is only used during build, the final NuGet package does not have a dependency on SourceLink-->
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
diff --git a/IEXSharpTest/Cloud/CoreData/StockPricesTest.cs b/IEXSharpTest/Cloud/CoreData/StockPricesTest.cs
index 6fbe964..3f429f5 100644
--- a/IEXSharpTest/Cloud/CoreData/StockPricesTest.cs
+++ b/IEXSharpTest/Cloud/CoreData/StockPricesTest.cs
@@ -47,6 +47,7 @@ public async Task DelayedQuoteAsyncTest(string symbol)
 		[TestCase("AAPL", ChartRange.Max)]
 		[TestCase("AAPL", ChartRange.Ytd)]
 		[TestCase("AAPL", ChartRange.OneMonth)]
+		[TestCase("WWR", ChartRange.TwoYears)]
 		public async Task HistoricalPriceAsync(string symbol,
 			ChartRange range = ChartRange.OneMonth, QueryStringBuilder qsb = null)
 		{