diff --git a/core/request_option.go b/core/request_option.go
index d7b86a2..bf2fef9 100644
--- a/core/request_option.go
+++ b/core/request_option.go
@@ -71,7 +71,7 @@ func (r *RequestOptions) cloneHeader() http.Header {
 	headers := r.HTTPHeader.Clone()
 	headers.Set("X-Fern-Language", "Go")
 	headers.Set("X-Fern-SDK-Name", "github.com/vellum-ai/vellum-client-go")
-	headers.Set("X-Fern-SDK-Version", "v0.0.3981")
+	headers.Set("X-Fern-SDK-Version", "v1.13.5")
 	return headers
 }
 
diff --git a/documents.go b/documents.go
index 1fd9fee..10376f6 100644
--- a/documents.go
+++ b/documents.go
@@ -52,6 +52,7 @@ type DocumentDocumentToDocumentIndex struct {
 	// * `FAILED` - Failed
 	IndexingState        *IndexingStateEnum `json:"indexing_state,omitempty" url:"indexing_state,omitempty"`
 	ExtractedTextFileUrl *string            `json:"extracted_text_file_url,omitempty" url:"extracted_text_file_url,omitempty"`
+	ProcessingState      *string            `json:"processing_state,omitempty" url:"processing_state,omitempty"`
 
 	extraProperties map[string]interface{}
 	_rawJSON        json.RawMessage
@@ -410,7 +411,8 @@ type SlimDocumentDocumentToDocumentIndex struct {
 	// * `INDEXING` - Indexing
 	// * `INDEXED` - Indexed
 	// * `FAILED` - Failed
-	IndexingState *IndexingStateEnum `json:"indexing_state,omitempty" url:"indexing_state,omitempty"`
+	IndexingState   *IndexingStateEnum `json:"indexing_state,omitempty" url:"indexing_state,omitempty"`
+	ProcessingState *string            `json:"processing_state,omitempty" url:"processing_state,omitempty"`
 
 	extraProperties map[string]interface{}
 	_rawJSON        json.RawMessage
diff --git a/go.mod b/go.mod
index df0984b..aae74d1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/vellum-ai/vellum-client-go
 
-// Version: v1.13.4
+// Version: v1.13.5
 
 go 1.18
 
diff --git a/integrations.go b/integrations.go
index a9f7a60..4b00907 100644
--- a/integrations.go
+++ b/integrations.go
@@ -35,9 +35,13 @@ type ComponentsSchemasComposioIntegrationExecConfig = *ComposioIntegrationExecCo
 
 // Payload for executing a Composio tool with provider id and tool arguments.
 type ComposioExecuteToolRequest struct {
-	Arguments      map[string]interface{} `json:"arguments" url:"arguments"`
-	ToolkitVersion *string                `json:"toolkit_version,omitempty" url:"toolkit_version,omitempty"`
-	provider       string
+	Arguments       map[string]interface{} `json:"arguments" url:"arguments"`
+	ToolkitVersion  *string                `json:"toolkit_version,omitempty" url:"toolkit_version,omitempty"`
+	IntegrationName *string                `json:"integration_name,omitempty" url:"integration_name,omitempty"`
+	Integration     *string                `json:"integration,omitempty" url:"integration,omitempty"`
+	ToolName        *string                `json:"tool_name,omitempty" url:"tool_name,omitempty"`
+	Tool            *string                `json:"tool,omitempty" url:"tool,omitempty"`
+	provider        string
 
 	extraProperties map[string]interface{}
 	_rawJSON        json.RawMessage
diff --git a/workflows.go b/workflows.go
index 754443b..a48d684 100644
--- a/workflows.go
+++ b/workflows.go
@@ -42,6 +42,12 @@ type SerializeWorkflowFilesRequest struct {
 	Files        map[string]interface{} `json:"files,omitempty" url:"-"`
 	Module       *string                `json:"module,omitempty" url:"-"`
 	RunnerConfig *RunnerConfigRequest   `json:"runner_config,omitempty" url:"-"`
+	// Optional type checker to run during serialization. Supported values: mypy, zuban, default.
+	//
+	// * `mypy` - Mypy
+	// * `zuban` - Zuban
+	// * `default` - Default
+	TypeChecker *TypeCheckerEnum `json:"type_checker,omitempty" url:"-"`
 }
 
 type CheckWorkflowExecutionStatusError struct {
@@ -223,6 +229,34 @@ func (r *RunnerConfigRequest) String() string {
 	return fmt.Sprintf("%#v", r)
 }
 
+// * `mypy` - Mypy
+// * `zuban` - Zuban
+// * `default` - Default
+type TypeCheckerEnum string
+
+const (
+	TypeCheckerEnumMypy    TypeCheckerEnum = "mypy"
+	TypeCheckerEnumZuban   TypeCheckerEnum = "zuban"
+	TypeCheckerEnumDefault TypeCheckerEnum = "default"
+)
+
+func NewTypeCheckerEnumFromString(s string) (TypeCheckerEnum, error) {
+	switch s {
+	case "mypy":
+		return TypeCheckerEnumMypy, nil
+	case "zuban":
+		return TypeCheckerEnumZuban, nil
+	case "default":
+		return TypeCheckerEnumDefault, nil
+	}
+	var t TypeCheckerEnum
+	return "", fmt.Errorf("%s is not a valid %T", s, t)
+}
+
+func (t TypeCheckerEnum) Ptr() *TypeCheckerEnum {
+	return &t
+}
+
 type WorkflowPushDeploymentConfigRequest struct {
 	Label              *string  `json:"label,omitempty" url:"label,omitempty"`
 	Name               *string  `json:"name,omitempty" url:"name,omitempty"`