diff --git a/src/Core/Constants.cs b/src/Core/Constants.cs
index 0591617f5e..1068daa878 100644
--- a/src/Core/Constants.cs
+++ b/src/Core/Constants.cs
@@ -172,6 +172,7 @@ public static class FeatureFlagKeys
     public const string WebPush = "web-push";
     public const string AndroidImportLoginsFlow = "import-logins-flow";
     public const string PM12276Breadcrumbing = "pm-12276-breadcrumbing-for-business-features";
+    public const string ArchiveVaultItems = "pm-19148-innovation-archive";
 
     public static List<string> GetAllKeys()
     {