diff --git a/Castle.DynamicLinqQueryBuilder.SystemTextJson/SystemTextJsonFilterRule.cs b/Castle.DynamicLinqQueryBuilder.SystemTextJson/SystemTextJsonFilterRule.cs
index c1a0864..d553e67 100644
--- a/Castle.DynamicLinqQueryBuilder.SystemTextJson/SystemTextJsonFilterRule.cs
+++ b/Castle.DynamicLinqQueryBuilder.SystemTextJson/SystemTextJsonFilterRule.cs
@@ -52,7 +52,7 @@ public class SystemTextJsonFilterRule : IFilterRule
         /// </value>
         public List<SystemTextJsonFilterRule> Rules { get; set; }
         /// <summary>
-        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", and "boolean".
+        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", "guid", and "boolean".
         /// </summary>
         /// <value>
         /// The type.
diff --git a/Castle.DynamicLinqQueryBuilder/FilterRule.cs b/Castle.DynamicLinqQueryBuilder/FilterRule.cs
index d29590a..13c88a4 100644
--- a/Castle.DynamicLinqQueryBuilder/FilterRule.cs
+++ b/Castle.DynamicLinqQueryBuilder/FilterRule.cs
@@ -54,7 +54,7 @@ public class FilterRule : IFilterRule
         /// </value>
         public List<FilterRule> Rules { get; set; }
         /// <summary>
-        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", and "boolean".
+        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", "guid", and "boolean".
         /// </summary>
         /// <value>
         /// The type.
diff --git a/Castle.DynamicLinqQueryBuilder/JsonNetFilterRule.cs b/Castle.DynamicLinqQueryBuilder/JsonNetFilterRule.cs
index cee0667..5d160af 100644
--- a/Castle.DynamicLinqQueryBuilder/JsonNetFilterRule.cs
+++ b/Castle.DynamicLinqQueryBuilder/JsonNetFilterRule.cs
@@ -52,7 +52,7 @@ public class JsonNetFilterRule : IFilterRule
         /// </value>
         public List<JsonNetFilterRule> Rules { get; set; }
         /// <summary>
-        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", and "boolean".
+        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", "guid", and "boolean".
         /// </summary>
         /// <value>
         /// The type.
diff --git a/Castle.DynamicLinqQueryBuilder/QueryBuilderFilterRule.cs b/Castle.DynamicLinqQueryBuilder/QueryBuilderFilterRule.cs
index bb9a249..58202cb 100644
--- a/Castle.DynamicLinqQueryBuilder/QueryBuilderFilterRule.cs
+++ b/Castle.DynamicLinqQueryBuilder/QueryBuilderFilterRule.cs
@@ -52,7 +52,7 @@ public class QueryBuilderFilterRule : IFilterRule
         /// </value>
         public List<QueryBuilderFilterRule> Rules { get; set; }
         /// <summary>
-        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", and "boolean".
+        /// Gets or sets the type. Supported values are "integer", "double", "string", "date", "datetime", "guid", and "boolean".
         /// </summary>
         /// <value>
         /// The type.