diff --git a/src/inlay_hint.rs b/src/inlay_hint.rs
index e373706..5e0124a 100644
--- a/src/inlay_hint.rs
+++ b/src/inlay_hint.rs
@@ -11,15 +11,8 @@ use serde::{Deserialize, Serialize};
 #[serde(rename_all = "camelCase")]
 #[serde(untagged)]
 pub enum InlayHintServerCapabilities {
-	Options(InlayHintOptions),
-	RegistrationOptions(InlayHintRegistrationOptions),
-}
-
-#[derive(Debug, Eq, PartialEq, Clone, Default, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct InlayHintClientCapabilitiesResolveSupport {
-    /// The properties that a client can resolve lazily.
-    pub properties: Vec<String>,
+    Options(InlayHintOptions),
+    RegistrationOptions(InlayHintRegistrationOptions),
 }
 
 /// Inlay hint client capabilities.
@@ -35,7 +28,7 @@ pub struct InlayHintClientCapabilities {
     /// Indicates which properties a client can resolve lazily on a inlay
     /// hint.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub resolve_support: Option<InlayHintClientCapabilitiesResolveSupport>,
+    pub resolve_support: Option<InlayHintResolveClientCapabilities>,
 }
 
 /// Inlay hint options used during static registration.
@@ -259,3 +252,26 @@ impl InlayHintKind {
     pub const PARAMETER: InlayHintKind = InlayHintKind(2);
 }
 }
+
+#[derive(Debug, Eq, PartialEq, Clone, Default, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct InlayHintResolveClientCapabilities {
+    pub properties: Vec<String>,
+}
+
+/// Client workspace capabilities specific to inlay hints.
+///
+/// @since 3.17.0 - proposed state
+#[derive(Debug, Eq, PartialEq, Clone, Default, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct InlayHintWorkspaceClientCapabilities {
+    /// Whether the client implementation supports a refresh request sent from
+    /// the server to the client.
+    ///
+    /// Note that this event is global and will force the client to refresh all
+    /// inlay hints currently shown. It should be used with absolute care and
+    /// is useful for situation where a server for example detects a project wide
+    /// change that requires such a calculation.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub refresh_support: Option<bool>,
+}
diff --git a/src/lib.rs b/src/lib.rs
index 4152262..3a70515 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1252,6 +1252,11 @@ pub struct WorkspaceClientCapabilities {
     /// since 3.16.0
     #[serde(skip_serializing_if = "Option::is_none")]
     pub file_operations: Option<WorkspaceFileOperationsClientCapabilities>,
+
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+		#[cfg(feature = "proposed")]
+		pub inlay_hint: Option<InlayHintWorkspaceClientCapabilities>,
 }
 
 #[derive(Debug, Eq, PartialEq, Clone, Default, Deserialize, Serialize)]
diff --git a/src/request.rs b/src/request.rs
index 4ed014d..aa03be4 100644
--- a/src/request.rs
+++ b/src/request.rs
@@ -771,6 +771,36 @@ impl Request for MonikerRequest {
     const METHOD: &'static str = "textDocument/moniker";
 }
 
+#[cfg(feature = "proposed")]
+pub enum InlayHintRequest {}
+
+#[cfg(feature = "proposed")]
+impl Request for InlayHintRequest {
+    type Params = InlayHintParams;
+    type Result = Option<Vec<InlayHint>>;
+    const METHOD: &'static str = "textDocument/inlayHint";
+}
+
+#[cfg(feature = "proposed")]
+pub enum InlayHintResolveRequest {}
+
+#[cfg(feature = "proposed")]
+impl Request for InlayHintResolveRequest {
+    type Params = InlayHint;
+    type Result = InlayHint;
+    const METHOD: &'static str = "inlayHint/resolve";
+}
+
+#[cfg(feature = "proposed")]
+pub enum InlayHintRefreshRequest {}
+
+#[cfg(feature = "proposed")]
+impl Request for InlayHintRefreshRequest {
+    type Params = ();
+    type Result = ();
+    const METHOD: &'static str = "workspace/inlayHint/refresh";
+}
+
 #[cfg(test)]
 mod test {
     use super::*;