diff --git a/metropolis/pkg/pki/certificate.go b/metropolis/pkg/pki/certificate.go
index f6d480a..a423680 100644
--- a/metropolis/pkg/pki/certificate.go
+++ b/metropolis/pkg/pki/certificate.go
@@ -29,7 +29,7 @@
 	"fmt"
 	"net"
 
-	"go.etcd.io/etcd/clientv3"
+	clientv3 "go.etcd.io/etcd/client/v3"
 
 	"source.monogon.dev/metropolis/pkg/fileargs"
 )