diff --git a/target/easyjson.go b/target/easyjson.go
index 1d33071..652696c 100644
--- a/target/easyjson.go
+++ b/target/easyjson.go
@@ -2038,6 +2038,8 @@ func easyjsonC5a4559bDecodeGithubComChromedpCdprotoTarget23(in *jlexer.Lexer, ou
 			out.Width = int64(in.Int64())
 		case "height":
 			out.Height = int64(in.Int64())
+		case "windowState":
+			(out.WindowState).UnmarshalEasyJSON(in)
 		case "browserContextId":
 			out.BrowserContextID = cdp.BrowserContextID(in.String())
 		case "enableBeginFrameControl":
@@ -2087,6 +2089,11 @@ func easyjsonC5a4559bEncodeGithubComChromedpCdprotoTarget23(out *jwriter.Writer,
 		out.RawString(prefix)
 		out.Int64(int64(in.Height))
 	}
+	if in.WindowState != "" {
+		const prefix string = ",\"windowState\":"
+		out.RawString(prefix)
+		(in.WindowState).MarshalEasyJSON(out)
+	}
 	if in.BrowserContextID != "" {
 		const prefix string = ",\"browserContextId\":"
 		out.RawString(prefix)
diff --git a/target/target.go b/target/target.go
index 86ccb28..9661fa9 100644
--- a/target/target.go
+++ b/target/target.go
@@ -291,6 +291,7 @@ type CreateTargetParams struct {
 	Top                     int64                `json:"top,omitempty"`                     // Frame top origin in DIP (requires newWindow to be true or headless shell).
 	Width                   int64                `json:"width,omitempty"`                   // Frame width in DIP (requires newWindow to be true or headless shell).
 	Height                  int64                `json:"height,omitempty"`                  // Frame height in DIP (requires newWindow to be true or headless shell).
+	WindowState             WindowState          `json:"windowState,omitempty"`             // Frame window state (requires newWindow to be true or headless shell). Default is normal.
 	BrowserContextID        cdp.BrowserContextID `json:"browserContextId,omitempty"`        // The browser context to create the page in.
 	EnableBeginFrameControl bool                 `json:"enableBeginFrameControl,omitempty"` // Whether BeginFrames for this target will be controlled via DevTools (headless shell only, not supported on MacOS yet, false by default).
 	NewWindow               bool                 `json:"newWindow,omitempty"`               // Whether to create a new Window or Tab (false by default, not supported by headless shell).
@@ -339,6 +340,13 @@ func (p CreateTargetParams) WithHeight(height int64) *CreateTargetParams {
 	return &p
 }
 
+// WithWindowState frame window state (requires newWindow to be true or
+// headless shell). Default is normal.
+func (p CreateTargetParams) WithWindowState(windowState WindowState) *CreateTargetParams {
+	p.WindowState = windowState
+	return &p
+}
+
 // WithBrowserContextID the browser context to create the page in.
 func (p CreateTargetParams) WithBrowserContextID(browserContextID cdp.BrowserContextID) *CreateTargetParams {
 	p.BrowserContextID = browserContextID
diff --git a/target/types.go b/target/types.go
index b13c99a..284755d 100644
--- a/target/types.go
+++ b/target/types.go
@@ -3,7 +3,12 @@ package target
 // Code generated by cdproto-gen. DO NOT EDIT.
 
 import (
+	"fmt"
+
 	"github.com/chromedp/cdproto/cdp"
+	"github.com/mailru/easyjson"
+	"github.com/mailru/easyjson/jlexer"
+	"github.com/mailru/easyjson/jwriter"
 )
 
 // ID [no description].
@@ -70,3 +75,54 @@ type RemoteLocation struct {
 	Host string `json:"host"`
 	Port int64  `json:"port"`
 }
+
+// WindowState the state of the target window.
+//
+// See: https://chromedevtools.github.io/devtools-protocol/tot/Target#type-WindowState
+type WindowState string
+
+// String returns the WindowState as string value.
+func (t WindowState) String() string {
+	return string(t)
+}
+
+// WindowState values.
+const (
+	WindowStateNormal     WindowState = "normal"
+	WindowStateMinimized  WindowState = "minimized"
+	WindowStateMaximized  WindowState = "maximized"
+	WindowStateFullscreen WindowState = "fullscreen"
+)
+
+// MarshalEasyJSON satisfies easyjson.Marshaler.
+func (t WindowState) MarshalEasyJSON(out *jwriter.Writer) {
+	out.String(string(t))
+}
+
+// MarshalJSON satisfies json.Marshaler.
+func (t WindowState) MarshalJSON() ([]byte, error) {
+	return easyjson.Marshal(t)
+}
+
+// UnmarshalEasyJSON satisfies easyjson.Unmarshaler.
+func (t *WindowState) UnmarshalEasyJSON(in *jlexer.Lexer) {
+	v := in.String()
+	switch WindowState(v) {
+	case WindowStateNormal:
+		*t = WindowStateNormal
+	case WindowStateMinimized:
+		*t = WindowStateMinimized
+	case WindowStateMaximized:
+		*t = WindowStateMaximized
+	case WindowStateFullscreen:
+		*t = WindowStateFullscreen
+
+	default:
+		in.AddError(fmt.Errorf("unknown WindowState value: %v", v))
+	}
+}
+
+// UnmarshalJSON satisfies json.Unmarshaler.
+func (t *WindowState) UnmarshalJSON(buf []byte) error {
+	return easyjson.Unmarshal(buf, t)
+}