diff --git a/async-openai/src/types/types.rs b/async-openai/src/types/types.rs
index fcb734f8..dcb6715e 100644
--- a/async-openai/src/types/types.rs
+++ b/async-openai/src/types/types.rs
@@ -1104,6 +1104,9 @@ pub struct ChatCompletionRequestSystemMessage {
     /// The role of the messages author, in this case `system`.
     #[builder(default = "Role::System")]
     pub role: Role,
+    /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<String>,
 }
 
 #[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
@@ -1182,6 +1185,9 @@ pub struct ChatCompletionRequestUserMessage {
     /// The role of the messages author, in this case `user`.
     #[builder(default = "Role::User")]
     pub role: Role,
+    /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<String>,
 }
 
 #[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
@@ -1196,6 +1202,9 @@ pub struct ChatCompletionRequestAssistantMessage {
     /// The role of the messages author, in this case `assistant`.
     #[builder(default = "Role::Assistant")]
     pub role: Role,
+    /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub tool_calls: Option<Vec<ChatCompletionMessageToolCall>>,
     /// Deprecated and replaced by `tool_calls`. The name and arguments of a function that should be called, as generated by the model.