diff --git a/deno.json b/deno.json
index 2fc3c138e..d36213309 100644
--- a/deno.json
+++ b/deno.json
@@ -36,5 +36,5 @@
     "jsx": "react-jsx",
     "jsxImportSource": "preact"
   },
-  "version": "0.53.3"
+  "version": "0.53.4"
 }
diff --git a/vtex/utils/segment.ts b/vtex/utils/segment.ts
index 36eb9cfce..2d2ab7a76 100644
--- a/vtex/utils/segment.ts
+++ b/vtex/utils/segment.ts
@@ -171,11 +171,15 @@ export const setSegmentBag = (
   const token = serialize(segment);
   setSegmentInBag(ctx, { payload: segment, token });
 
+  const hostname = (new URL(req.url)).hostname;
+  const cookieDomain = hostname.startsWith(".") ? hostname : `.${hostname}`;
+
   // Avoid setting cookie when segment from request matches the one generated
   if (vtex_segment !== token) {
     setCookie(ctx.response.headers, {
       value: token,
       name: SEGMENT_COOKIE_NAME,
+      domain: hostname === "localhost" ? "localhost" : cookieDomain,
       path: "/",
       secure: true,
       httpOnly: true,