diff --git a/backend/backend.go b/backend/backend.go
index 790db88..c80841e 100644
--- a/backend/backend.go
+++ b/backend/backend.go
@@ -2,7 +2,7 @@ package backend
 
 import "github.com/miekg/dns"
 import "github.com/golang/groupcache/lru"
-import "github.com/hlandau/madns/merr"
+import "gopkg.in/hlandau/madns.v1/merr"
 import "github.com/hlandau/ncdns/namecoin"
 import "github.com/hlandau/ncdns/util"
 import "github.com/hlandau/ncdns/ncdomain"
diff --git a/namecoin/namecoin.go b/namecoin/namecoin.go
index 475e09c..535753a 100644
--- a/namecoin/namecoin.go
+++ b/namecoin/namecoin.go
@@ -2,7 +2,7 @@ package namecoin
 
 // btcjson had to be modified a bit to get correct error reporting.
 import "github.com/hlandauf/btcjson"
-import "github.com/hlandau/madns/merr"
+import "gopkg.in/hlandau/madns.v1/merr"
 import extratypes "github.com/hlandau/ncbtcjsontypes"
 
 import "fmt"
diff --git a/server/server.go b/server/server.go
index f0d9e2c..d873259 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1,6 +1,6 @@
 package server
 
-import "github.com/hlandau/madns"
+import "gopkg.in/hlandau/madns.v1"
 import "github.com/hlandau/degoutils/log"
 import "github.com/hlandau/ncdns/backend"
 import "github.com/hlandau/ncdns/namecoin"
diff --git a/util/util.go b/util/util.go
index d9ce250..ce94e1d 100644
--- a/util/util.go
+++ b/util/util.go
@@ -1,7 +1,7 @@
 package util
 
 import "strings"
-import "github.com/hlandau/madns/merr"
+import "gopkg.in/hlandau/madns.v1/merr"
 import "fmt"
 import "regexp"
 import "net/mail"
diff --git a/util/util_test.go b/util/util_test.go
index ad0119d..e726201 100644
--- a/util/util_test.go
+++ b/util/util_test.go
@@ -2,7 +2,7 @@ package util_test
 
 import "testing"
 import "github.com/hlandau/ncdns/util"
-import "github.com/hlandau/madns/merr"
+import "gopkg.in/hlandau/madns.v1/merr"
 
 type item struct {
 	input            string