diff --git a/src/Microsoft.AspNetCore.CookiePolicy/CookiePolicyOptions.cs b/src/Microsoft.AspNetCore.CookiePolicy/CookiePolicyOptions.cs
index cc2deaa3aa..32d047297a 100644
--- a/src/Microsoft.AspNetCore.CookiePolicy/CookiePolicyOptions.cs
+++ b/src/Microsoft.AspNetCore.CookiePolicy/CookiePolicyOptions.cs
@@ -30,7 +30,7 @@ namespace Microsoft.AspNetCore.Builder
         public CookieBuilder ConsentCookie { get; set; } = new CookieBuilder()
         {
             Name = ".AspNet.Consent",
-            Expiration = TimeSpan.FromDays(90),
+            Expiration = TimeSpan.FromDays(365),
             IsEssential = true,
         };
 
diff --git a/test/Microsoft.AspNetCore.CookiePolicy.Test/CookieConsentTests.cs b/test/Microsoft.AspNetCore.CookiePolicy.Test/CookieConsentTests.cs
index 3cd018e570..4e35c165f4 100644
--- a/test/Microsoft.AspNetCore.CookiePolicy.Test/CookieConsentTests.cs
+++ b/test/Microsoft.AspNetCore.CookiePolicy.Test/CookieConsentTests.cs
@@ -221,6 +221,8 @@ namespace Microsoft.AspNetCore.CookiePolicy.Test
             var consentCookie = cookies[0];
             Assert.Equal(".AspNet.Consent", consentCookie.Name);
             Assert.Equal("yes", consentCookie.Value);
+            Assert.True(consentCookie.Expires.HasValue);
+            Assert.True(consentCookie.Expires.Value > DateTimeOffset.Now + TimeSpan.FromDays(364));
             Assert.Equal(Net.Http.Headers.SameSiteMode.Lax, consentCookie.SameSite);
             Assert.NotNull(consentCookie.Expires);
             var testCookie = cookies[1];