diff --git a/src/Core/Constants.cs b/src/Core/Constants.cs
index 659a377d59..5b1e9175cf 100644
--- a/src/Core/Constants.cs
+++ b/src/Core/Constants.cs
@@ -159,6 +159,7 @@ public static class FeatureFlagKeys
     public const string AuthenticatorSyncAndroid = "enable-authenticator-sync-android";
     public const string AppReviewPrompt = "app-review-prompt";
     public const string ResellerManagedOrgAlert = "PM-15814-alert-owners-of-reseller-managed-orgs";
+    public const string Argon2Default = "argon2-default";
     public const string UsePricingService = "use-pricing-service";
     public const string RecordInstallationLastActivityDate = "installation-last-activity-date";
     public const string EnablePasswordManagerSyncAndroid = "enable-password-manager-sync-android";