diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Aggregations.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Aggregations.g.cs
index 8c0a1eadb13..d198046c6a6 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Aggregations.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Aggregations.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Analysis.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Analysis.g.cs
index 09513de853e..98749056ebd 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Analysis.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Analysis.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Cluster.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Cluster.g.cs
index ca2dbb858b0..ecab64c449e 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Cluster.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Cluster.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Core.Search.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Core.Search.g.cs
index 441b68a7e5c..24287f5ac84 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Core.Search.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Core.Search.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Enrich.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Enrich.g.cs
index 17e2bd05d78..b056250c416 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Enrich.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Enrich.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Eql.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Eql.g.cs
index 967e7d82340..72788434ca0 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Eql.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Eql.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.IndexManagement.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.IndexManagement.g.cs
index 0cb104e309e..50564eb15b3 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.IndexManagement.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.IndexManagement.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ingest.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ingest.g.cs
index 735f004acbb..d88b78749af 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ingest.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ingest.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Mapping.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Mapping.g.cs
index 8a9474db368..44d9cdee696 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Mapping.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Mapping.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ml.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ml.g.cs
index 5bb8d48a655..6394358209d 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ml.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Ml.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.NoNamespace.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.NoNamespace.g.cs
index 22532ea7e3c..71f4cf70ec3 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.NoNamespace.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.NoNamespace.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.QueryDsl.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.QueryDsl.g.cs
index 4e5ce51a634..277d48df77b 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.QueryDsl.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.QueryDsl.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
@@ -545,6 +546,120 @@ public override void Write(Utf8JsonWriter writer, RangeRelation value, JsonSeria
 	}
 }
 
+[JsonConverter(typeof(SimpleQueryStringFlagsConverter))]
+[Flags]
+public enum SimpleQueryStringFlags
+{
+	[EnumMember(Value = "WHITESPACE")]
+	Whitespace = 1 << 0,
+	[EnumMember(Value = "SLOP")]
+	Slop = 1 << 1,
+	[EnumMember(Value = "PREFIX")]
+	Prefix = 1 << 2,
+	[EnumMember(Value = "PRECEDENCE")]
+	Precedence = 1 << 3,
+	[EnumMember(Value = "PHRASE")]
+	Phrase = 1 << 4,
+	[EnumMember(Value = "OR")]
+	Or = 1 << 5,
+	[EnumMember(Value = "NOT")]
+	Not = 1 << 6,
+	[EnumMember(Value = "NONE")]
+	None = 1 << 7,
+	[EnumMember(Value = "NEAR")]
+	Near = 1 << 8,
+	[EnumMember(Value = "FUZZY")]
+	Fuzzy = 1 << 9,
+	[EnumMember(Value = "ESCAPE")]
+	Escape = 1 << 10,
+	[EnumMember(Value = "AND")]
+	And = 1 << 11,
+	[EnumMember(Value = "ALL")]
+	All = 1 << 12
+}
+
+internal sealed class SimpleQueryStringFlagsConverter : JsonConverter<SimpleQueryStringFlags>
+{
+	public override SimpleQueryStringFlags Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+	{
+		var s = reader.GetString();
+		if (string.IsNullOrEmpty(s))
+		{
+			return default;
+		}
+
+		var flags = s.Split('|');
+		var result = default(SimpleQueryStringFlags);
+		foreach (var flag in flags)
+		{
+			result |= flag switch
+			{
+				"WHITESPACE" => SimpleQueryStringFlags.Whitespace,
+				"SLOP" => SimpleQueryStringFlags.Slop,
+				"PREFIX" => SimpleQueryStringFlags.Prefix,
+				"PRECEDENCE" => SimpleQueryStringFlags.Precedence,
+				"PHRASE" => SimpleQueryStringFlags.Phrase,
+				"OR" => SimpleQueryStringFlags.Or,
+				"NOT" => SimpleQueryStringFlags.Not,
+				"NONE" => SimpleQueryStringFlags.None,
+				"NEAR" => SimpleQueryStringFlags.Near,
+				"FUZZY" => SimpleQueryStringFlags.Fuzzy,
+				"ESCAPE" => SimpleQueryStringFlags.Escape,
+				"AND" => SimpleQueryStringFlags.And,
+				"ALL" => SimpleQueryStringFlags.All,
+				_ => throw new JsonException($"Invalid flag value '{flag}' for type '{typeToConvert.Name}'.")
+			};
+		}
+
+		return result;
+	}
+
+	public override void Write(Utf8JsonWriter writer, SimpleQueryStringFlags value, JsonSerializerOptions options)
+	{
+		if (value == default)
+		{
+			writer.WriteStringValue(string.Empty);
+			return;
+		}
+
+		var sb = new StringBuilder();
+		if (value.HasFlag(SimpleQueryStringFlags.Whitespace))
+			sb.Append("WHITESPACE|");
+		if (value.HasFlag(SimpleQueryStringFlags.Slop))
+			sb.Append("SLOP|");
+		if (value.HasFlag(SimpleQueryStringFlags.Prefix))
+			sb.Append("PREFIX|");
+		if (value.HasFlag(SimpleQueryStringFlags.Precedence))
+			sb.Append("PRECEDENCE|");
+		if (value.HasFlag(SimpleQueryStringFlags.Phrase))
+			sb.Append("PHRASE|");
+		if (value.HasFlag(SimpleQueryStringFlags.Or))
+			sb.Append("OR|");
+		if (value.HasFlag(SimpleQueryStringFlags.Not))
+			sb.Append("NOT|");
+		if (value.HasFlag(SimpleQueryStringFlags.None))
+			sb.Append("NONE|");
+		if (value.HasFlag(SimpleQueryStringFlags.Near))
+			sb.Append("NEAR|");
+		if (value.HasFlag(SimpleQueryStringFlags.Fuzzy))
+			sb.Append("FUZZY|");
+		if (value.HasFlag(SimpleQueryStringFlags.Escape))
+			sb.Append("ESCAPE|");
+		if (value.HasFlag(SimpleQueryStringFlags.And))
+			sb.Append("AND|");
+		if (value.HasFlag(SimpleQueryStringFlags.All))
+			sb.Append("ALL|");
+		if (sb.Length == 0)
+		{
+			writer.WriteStringValue(string.Empty);
+			return;
+		}
+
+		sb.Remove(sb.Length - 1, 1);
+		writer.WriteStringValue(sb.ToString());
+	}
+}
+
 [JsonConverter(typeof(TextQueryTypeConverter))]
 public enum TextQueryType
 {
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Tasks.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Tasks.g.cs
index 1332b3b27d7..995fcb42db6 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Tasks.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Tasks.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Watcher.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Watcher.g.cs
index e20d3fdfabd..9a0bbb72673 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Watcher.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/Enums/Enums.Watcher.g.cs
@@ -19,6 +19,7 @@
 
 using System;
 using System.Runtime.Serialization;
+using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Elastic.Clients.Elasticsearch.Core;
diff --git a/src/Elastic.Clients.Elasticsearch/_Generated/Types/QueryDsl/SimpleQueryStringQuery.g.cs b/src/Elastic.Clients.Elasticsearch/_Generated/Types/QueryDsl/SimpleQueryStringQuery.g.cs
index 26479f4cd70..17ad5e1bed7 100644
--- a/src/Elastic.Clients.Elasticsearch/_Generated/Types/QueryDsl/SimpleQueryStringQuery.g.cs
+++ b/src/Elastic.Clients.Elasticsearch/_Generated/Types/QueryDsl/SimpleQueryStringQuery.g.cs
@@ -43,6 +43,8 @@ public sealed partial class SimpleQueryStringQuery : SearchQuery
 	public Elastic.Clients.Elasticsearch.QueryDsl.Operator? DefaultOperator { get; set; }
 	[JsonInclude, JsonPropertyName("fields")]
 	public Fields? Fields { get; set; }
+	[JsonInclude, JsonPropertyName("flags")]
+	public Elastic.Clients.Elasticsearch.QueryDsl.SimpleQueryStringFlags? Flags { get; set; }
 	[JsonInclude, JsonPropertyName("fuzzy_max_expansions")]
 	public int? FuzzyMaxExpansions { get; set; }
 	[JsonInclude, JsonPropertyName("fuzzy_prefix_length")]
@@ -78,6 +80,7 @@ public SimpleQueryStringQueryDescriptor() : base()
 	private float? BoostValue { get; set; }
 	private Elastic.Clients.Elasticsearch.QueryDsl.Operator? DefaultOperatorValue { get; set; }
 	private Fields? FieldsValue { get; set; }
+	private Elastic.Clients.Elasticsearch.QueryDsl.SimpleQueryStringFlags? FlagsValue { get; set; }
 	private int? FuzzyMaxExpansionsValue { get; set; }
 	private int? FuzzyPrefixLengthValue { get; set; }
 	private bool? FuzzyTranspositionsValue { get; set; }
@@ -128,6 +131,12 @@ public SimpleQueryStringQueryDescriptor<TDocument> Fields(Fields? fields)
 		return Self;
 	}
 
+	public SimpleQueryStringQueryDescriptor<TDocument> Flags(Elastic.Clients.Elasticsearch.QueryDsl.SimpleQueryStringFlags? flags)
+	{
+		FlagsValue = flags;
+		return Self;
+	}
+
 	public SimpleQueryStringQueryDescriptor<TDocument> FuzzyMaxExpansions(int? fuzzyMaxExpansions)
 	{
 		FuzzyMaxExpansionsValue = fuzzyMaxExpansions;
@@ -215,6 +224,12 @@ protected override void Serialize(Utf8JsonWriter writer, JsonSerializerOptions o
 			JsonSerializer.Serialize(writer, FieldsValue, options);
 		}
 
+		if (FlagsValue is not null)
+		{
+			writer.WritePropertyName("flags");
+			JsonSerializer.Serialize(writer, FlagsValue, options);
+		}
+
 		if (FuzzyMaxExpansionsValue.HasValue)
 		{
 			writer.WritePropertyName("fuzzy_max_expansions");
@@ -272,6 +287,7 @@ public SimpleQueryStringQueryDescriptor() : base()
 	private float? BoostValue { get; set; }
 	private Elastic.Clients.Elasticsearch.QueryDsl.Operator? DefaultOperatorValue { get; set; }
 	private Fields? FieldsValue { get; set; }
+	private Elastic.Clients.Elasticsearch.QueryDsl.SimpleQueryStringFlags? FlagsValue { get; set; }
 	private int? FuzzyMaxExpansionsValue { get; set; }
 	private int? FuzzyPrefixLengthValue { get; set; }
 	private bool? FuzzyTranspositionsValue { get; set; }
@@ -322,6 +338,12 @@ public SimpleQueryStringQueryDescriptor Fields(Fields? fields)
 		return Self;
 	}
 
+	public SimpleQueryStringQueryDescriptor Flags(Elastic.Clients.Elasticsearch.QueryDsl.SimpleQueryStringFlags? flags)
+	{
+		FlagsValue = flags;
+		return Self;
+	}
+
 	public SimpleQueryStringQueryDescriptor FuzzyMaxExpansions(int? fuzzyMaxExpansions)
 	{
 		FuzzyMaxExpansionsValue = fuzzyMaxExpansions;
@@ -409,6 +431,12 @@ protected override void Serialize(Utf8JsonWriter writer, JsonSerializerOptions o
 			JsonSerializer.Serialize(writer, FieldsValue, options);
 		}
 
+		if (FlagsValue is not null)
+		{
+			writer.WritePropertyName("flags");
+			JsonSerializer.Serialize(writer, FlagsValue, options);
+		}
+
 		if (FuzzyMaxExpansionsValue.HasValue)
 		{
 			writer.WritePropertyName("fuzzy_max_expansions");