diff --git a/go.mod b/go.mod
index fc0ae1d..4d72813 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/emersion/go-smtp
 
-require github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197
+require github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c
diff --git a/go.sum b/go.sum
index 13002ab..88c6975 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197 h1:rDJPbyliyym8ZL/Wt71kdolp6yaD4fLIQz638E6JEt0=
-github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
+github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c h1:Spm8jy+jWYG/Dn6ygbq/LBW/6M27kg59GK+FkKjexuw=
+github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=