diff --git a/src/browser/webapi/net/Response.zig b/src/browser/webapi/net/Response.zig
index 3e423691..4995e600 100644
--- a/src/browser/webapi/net/Response.zig
+++ b/src/browser/webapi/net/Response.zig
@@ -120,15 +120,11 @@ pub fn getText(self: *const Response, page: *Page) !js.Promise {
 
 pub fn getJson(self: *Response, page: *Page) !js.Promise {
     const body = self._body orelse "";
-    const value = std.json.parseFromSliceLeaky(
-        std.json.Value,
-        page.call_arena,
-        body,
-        .{},
-    ) catch |err| {
+    const value = js.Value.fromJson(page.js, body) catch |err| {
         return page.js.rejectPromise(.{@errorName(err)});
     };
-    return page.js.resolvePromise(value);
+    const pvalue = try value.persist();
+    return page.js.resolvePromise(pvalue);
 }
 
 pub const JsApi = struct {
diff --git a/src/browser/webapi/net/XMLHttpRequest.zig b/src/browser/webapi/net/XMLHttpRequest.zig
index fc216016..0d903249 100644
--- a/src/browser/webapi/net/XMLHttpRequest.zig
+++ b/src/browser/webapi/net/XMLHttpRequest.zig
@@ -67,7 +67,7 @@ const ReadyState = enum(u8) {
 
 const Response = union(ResponseType) {
     text: []const u8,
-    json: std.json.Value,
+    json: js.Value,
     document: *Node.Document,
 };
 
@@ -254,8 +254,9 @@ pub fn getResponse(self: *XMLHttpRequest, page: *Page) !?Response {
     const res: Response = switch (self._response_type) {
         .text => .{ .text = data },
         .json => blk: {
-            const parsed = try std.json.parseFromSliceLeaky(std.json.Value, page.call_arena, data, .{});
-            break :blk .{ .json = parsed };
+            const value = try js.Value.fromJson(page.js, data);
+            const pvalue = try value.persist();
+            break :blk .{ .json = pvalue };
         },
         .document => blk: {
             const document = try page._factory.node(Node.Document{ ._proto = undefined, ._type = .generic });