diff --git a/blocks/matcher.ts b/blocks/matcher.ts
index 85fc141fb..29996f7c2 100644
--- a/blocks/matcher.ts
+++ b/blocks/matcher.ts
@@ -160,7 +160,7 @@ const matcherBlock: Block<
         result ??= isMatchFromCookie ?? matcherFunc(ctx);
         if (result !== isMatchFromCookie) {
           const date = new Date();
-          date.setTime(date.getTime() + (30 * 24 * 60 * 60 * 1000)); // 1 month
+          date.setTime(date.getTime() + (5 * 24 * 60 * 60 * 1000)); // 5 days
           setCookie(respHeaders, {
             name: cookieName,
             value: cookieValue.build(uniqueId, result),
diff --git a/runtime/middleware.ts b/runtime/middleware.ts
index 4b8fa35cd..0b9adf31e 100644
--- a/runtime/middleware.ts
+++ b/runtime/middleware.ts
@@ -421,7 +421,7 @@ export const middlewareFor = <TAppManifest extends AppManifest = AppManifest>(
 
         if (hasFlags && cookieSegment !== value) {
           const date = new Date();
-          date.setTime(date.getTime() + (30 * 24 * 60 * 60 * 1000)); // 1 month
+          date.setTime(date.getTime() + (5 * 24 * 60 * 60 * 1000)); // 5 days
           setCookie(newHeaders, {
             name: DECO_SEGMENT,
             value,