diff --git a/browser/request_mapping.go b/browser/request_mapping.go
index 7932c4646..d7c94cc8a 100644
--- a/browser/request_mapping.go
+++ b/browser/request_mapping.go
@@ -4,30 +4,56 @@ import (
 	"github.com/dop251/goja"
 
 	"github.com/grafana/xk6-browser/common"
+	"github.com/grafana/xk6-browser/k6ext"
 )
 
 // mapRequest to the JS module.
 func mapRequest(vu moduleVU, r *common.Request) mapping {
 	rt := vu.Runtime()
 	maps := mapping{
-		"allHeaders": r.AllHeaders,
+		"allHeaders": func() *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				return r.AllHeaders(), nil
+			})
+		},
 		"frame": func() *goja.Object {
 			mf := mapFrame(vu, r.Frame())
 			return rt.ToValue(mf).ToObject(rt)
 		},
-		"headerValue":         r.HeaderValue,
-		"headers":             r.Headers,
-		"headersArray":        r.HeadersArray,
+		"headerValue": func(name string) *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				return r.HeaderValue(name), nil
+			})
+		},
+		"headers": func(name string) *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				return r.Headers(), nil
+			})
+		},
+		"headersArray": func(name string) *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				return r.HeadersArray(), nil
+			})
+		},
 		"isNavigationRequest": r.IsNavigationRequest,
 		"method":              r.Method,
 		"postData":            r.PostData,
 		"postDataBuffer":      r.PostDataBuffer,
 		"resourceType":        r.ResourceType,
-		"response": func() *goja.Object {
-			mr := mapResponse(vu, r.Response())
-			return rt.ToValue(mr).ToObject(rt)
+		"response": func(name string) *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				resp := r.Response()
+				if resp == nil {
+					return nil, nil
+				}
+				return mapResponse(vu, resp), nil
+			})
+		},
+		"size": func(name string) *goja.Promise {
+			return k6ext.Promise(vu.Context(), func() (any, error) {
+				return r.Size(), nil
+			})
 		},
-		"size":   r.Size,
 		"timing": r.Timing,
 		"url":    r.URL,
 	}