1 files changed, 8 insertions, 1 deletions

diff --git a/src/include/anastasis.h b/src/include/anastasis.h
index 0caaf4e..f9782fd 100644
--- a/src/include/anastasis.h
+++ b/src/include/anastasis.h
@@ -131,7 +131,14 @@ enum ANASTASIS_ChallengeStatus
   /**
    * The rate limit for solving the challenge was exceeded.
    */
-  ANASTASIS_CHALLENGE_STATUS_RATE_LIMIT_EXCEEDED
+  ANASTASIS_CHALLENGE_STATUS_RATE_LIMIT_EXCEEDED,
+
+  /**
+   * The user did not satisfy the (external) authentication
+   * challenge in time. The request should be repeated
+   * later and may then succeed.
+   */
+  ANASTASIS_CHALLENGE_STATUS_AUTH_TIMEOUT
 
 };