diff --git a/go.mod b/go.mod
index 21bcf14..77c1982 100644
--- a/go.mod
+++ b/go.mod
@@ -2,19 +2,20 @@ module github.com/emersion/hydroxide
 
 require (
 	github.com/boltdb/bolt v1.3.1
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emersion/go-bcrypt v0.0.0-20170822072041-6e724a1baa63
 	github.com/emersion/go-imap v1.0.0
 	github.com/emersion/go-imap-move v0.0.0-20190710073258-6e5a51a5b342
 	github.com/emersion/go-imap-specialuse v0.0.0-20161227184202-ba031ced6a62
-	github.com/emersion/go-message v0.10.6
+	github.com/emersion/go-message v0.10.7
+	github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e // indirect
 	github.com/emersion/go-smtp v0.11.2
 	github.com/emersion/go-vcard v0.0.0-20190105225839-8856043f13c5
 	github.com/emersion/go-webdav v0.0.0-20180509190321-4ef680e9a32f
 	github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c
-	github.com/martinlindhe/base36 v1.0.0 // indirect
-	github.com/stretchr/testify v1.3.0 // indirect
-	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4
-	golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7 // indirect
-	golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/stretchr/testify v1.4.0 // indirect
+	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472
+	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect
+	golang.org/x/sys v0.0.0-20190830142957-1e83adbbebd0 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )