diff --git a/network/easyjson.go b/network/easyjson.go
index 7cebdd2..d1168a1 100644
--- a/network/easyjson.go
+++ b/network/easyjson.go
@@ -2958,6 +2958,8 @@ func easyjsonC5a4559bDecodeGithubComChromedpCdprotoNetwork26(in *jlexer.Lexer, o
 			}
 		case "mimeType":
 			out.MimeType = string(in.String())
+		case "charset":
+			out.Charset = string(in.String())
 		case "requestHeaders":
 			if in.IsNull() {
 				in.Skip()
@@ -3111,6 +3113,11 @@ func easyjsonC5a4559bEncodeGithubComChromedpCdprotoNetwork26(out *jwriter.Writer
 		out.RawString(prefix)
 		out.String(string(in.MimeType))
 	}
+	{
+		const prefix string = ",\"charset\":"
+		out.RawString(prefix)
+		out.String(string(in.Charset))
+	}
 	if len(in.RequestHeaders) != 0 {
 		const prefix string = ",\"requestHeaders\":"
 		out.RawString(prefix)
diff --git a/network/types.go b/network/types.go
index fcf4a05..18319a6 100644
--- a/network/types.go
+++ b/network/types.go
@@ -1033,6 +1033,7 @@ type Response struct {
 	StatusText                  string                      `json:"statusText"`                            // HTTP response status text.
 	Headers                     Headers                     `json:"headers"`                               // HTTP response headers.
 	MimeType                    string                      `json:"mimeType"`                              // Resource mimeType as determined by the browser.
+	Charset                     string                      `json:"charset"`                               // Resource charset as determined by the browser (if applicable).
 	RequestHeaders              Headers                     `json:"requestHeaders,omitempty"`              // Refined HTTP request headers that were actually transmitted over the network.
 	ConnectionReused            bool                        `json:"connectionReused"`                      // Specifies whether physical connection was actually reused for this request.
 	ConnectionID                float64                     `json:"connectionId"`                          // Physical connection id that was actually used for this request.
diff --git a/page/types.go b/page/types.go
index bc6a4e0..8ae7b40 100644
--- a/page/types.go
+++ b/page/types.go
@@ -1076,6 +1076,7 @@ const (
 	BackForwardCacheNotRestoredReasonWebSocketSticky                                          BackForwardCacheNotRestoredReason = "WebSocketSticky"
 	BackForwardCacheNotRestoredReasonSmartCard                                                BackForwardCacheNotRestoredReason = "SmartCard"
 	BackForwardCacheNotRestoredReasonLiveMediaStreamTrack                                     BackForwardCacheNotRestoredReason = "LiveMediaStreamTrack"
+	BackForwardCacheNotRestoredReasonUnloadHandler                                            BackForwardCacheNotRestoredReason = "UnloadHandler"
 	BackForwardCacheNotRestoredReasonContentSecurityHandler                                   BackForwardCacheNotRestoredReason = "ContentSecurityHandler"
 	BackForwardCacheNotRestoredReasonContentWebAuthenticationAPI                              BackForwardCacheNotRestoredReason = "ContentWebAuthenticationAPI"
 	BackForwardCacheNotRestoredReasonContentFileChooser                                       BackForwardCacheNotRestoredReason = "ContentFileChooser"
@@ -1327,6 +1328,8 @@ func (t *BackForwardCacheNotRestoredReason) UnmarshalEasyJSON(in *jlexer.Lexer)
 		*t = BackForwardCacheNotRestoredReasonSmartCard
 	case BackForwardCacheNotRestoredReasonLiveMediaStreamTrack:
 		*t = BackForwardCacheNotRestoredReasonLiveMediaStreamTrack
+	case BackForwardCacheNotRestoredReasonUnloadHandler:
+		*t = BackForwardCacheNotRestoredReasonUnloadHandler
 	case BackForwardCacheNotRestoredReasonContentSecurityHandler:
 		*t = BackForwardCacheNotRestoredReasonContentSecurityHandler
 	case BackForwardCacheNotRestoredReasonContentWebAuthenticationAPI: