diff --git a/smack-core/src/main/java/org/jivesoftware/smack/sasl/SASLError.java b/smack-core/src/main/java/org/jivesoftware/smack/sasl/SASLError.java
index b066ec541..ef8b72e16 100644
--- a/smack-core/src/main/java/org/jivesoftware/smack/sasl/SASLError.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/sasl/SASLError.java
@@ -29,6 +29,7 @@ public enum SASLError {
     invalid_authzid,
     invalid_mechanism,
     malformed_request,
+    mechanism_too_weak,
     not_authorized,
     temporary_auth_failure;