diff --git a/go.mod b/go.mod
index d314e5f..88097d6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/emersion/go-smtp
 
-require github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e
+require github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
 
 go 1.13
diff --git a/go.sum b/go.sum
index 1f5c09c..8e0463a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e h1:ba7YsgX5OV8FjGi5ZWml8Jng6oBrJAb3ahqWMJ5Ce8Q=
-github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
+github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21 h1:OJyUGMJTzHTd1XQp98QTaHernxMYzRaOasRir9hUlFQ=
+github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=