diff --git a/go.mod b/go.mod
index c36ec1a..1519529 100644
--- a/go.mod
+++ b/go.mod
@@ -8,4 +8,4 @@ require (
 	golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f
 )
 
-replace golang.org/x/crypto => github.com/ProtonMail/crypto v0.0.0-20190604143603-d3d8a14a4d4f
+replace golang.org/x/crypto => github.com/ProtonMail/crypto v0.0.0-20190814153124-b5b07a6add54
diff --git a/go.sum b/go.sum
index 24bf1bd..938b99f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/ProtonMail/crypto v0.0.0-20190604143603-d3d8a14a4d4f h1:cFhATQTJGK2iZ0dc+jRhr75mh6bsc5Ug6NliaBya8Kw=
-github.com/ProtonMail/crypto v0.0.0-20190604143603-d3d8a14a4d4f/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+github.com/ProtonMail/crypto v0.0.0-20190814153124-b5b07a6add54 h1:b9Mgk9zYaSxsqeaq/qCUsPBIR95BcyjzTL+uFoPBG1o=
+github.com/ProtonMail/crypto v0.0.0-20190814153124-b5b07a6add54/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 github.com/ProtonMail/go-mime v0.0.0-20190521135552-09454e3dbe72 h1:hGCc4Oc2fD3I5mNnZ1VlREncVc9EXJF8dxW3sw16gWM=
 github.com/ProtonMail/go-mime v0.0.0-20190521135552-09454e3dbe72/go.mod h1:NYt+V3/4rEeDuaev/zw1zCq8uqVEuPHzDPo3OZrlGJ4=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=