diff --git a/src/libraries/System.Net.Primitives/tests/UnitTests/CookieContainerTest.cs b/src/libraries/System.Net.Primitives/tests/UnitTests/CookieContainerTest.cs
index 442c3495c94a31..c4c4a3bb0cab20 100644
--- a/src/libraries/System.Net.Primitives/tests/UnitTests/CookieContainerTest.cs
+++ b/src/libraries/System.Net.Primitives/tests/UnitTests/CookieContainerTest.cs
@@ -368,6 +368,7 @@ public void GetCookieHeader_Success(Uri uri, string expected)
 
         [Theory]
         [MemberData(nameof(SetCookiesData))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/53931")]
         public void SetCookies_Success(Uri uri, string cookieHeader, Cookie[] expected)
         {
             CookieContainer cc = CreateCount11Container();