diff --git a/acme/jws.go b/acme/jws.go
index 78d82724..8435d0cf 100644
--- a/acme/jws.go
+++ b/acme/jws.go
@@ -9,7 +9,7 @@ import (
 	"fmt"
 	"net/http"
 
-	"github.com/square/go-jose"
+	"gopkg.in/square/go-jose.v1"
 )
 
 type jws struct {
diff --git a/acme/messages.go b/acme/messages.go
index fe3f5748..d1fac920 100644
--- a/acme/messages.go
+++ b/acme/messages.go
@@ -3,7 +3,7 @@ package acme
 import (
 	"time"
 
-	"github.com/square/go-jose"
+	"gopkg.in/square/go-jose.v1"
 )
 
 type directory struct {