diff --git a/dhcp4/conn.go b/dhcp4/conn.go
index 3d82025..d294df9 100644
--- a/dhcp4/conn.go
+++ b/dhcp4/conn.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"errors"
diff --git a/dhcp4/conn_linux.go b/dhcp4/conn_linux.go
index 8537949..d7f4654 100644
--- a/dhcp4/conn_linux.go
+++ b/dhcp4/conn_linux.go
@@ -14,7 +14,7 @@
 
 //+build linux
 
-package dhcp
+package dhcp4
 
 import (
 	"encoding/binary"
diff --git a/dhcp4/conn_test.go b/dhcp4/conn_test.go
index 087aeae..560fe3b 100644
--- a/dhcp4/conn_test.go
+++ b/dhcp4/conn_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"net"
diff --git a/dhcp4/doc.go b/dhcp4/doc.go
index 69d50f9..cd83315 100644
--- a/dhcp4/doc.go
+++ b/dhcp4/doc.go
@@ -13,4 +13,4 @@
 // limitations under the License.
 
 // Package dhcp provides building blocks for DHCP clients and servers.
-package dhcp // import "go.universe.tf/netboot/dhcp4"
+package dhcp4 // import "go.universe.tf/netboot/dhcp4"
diff --git a/dhcp4/options.go b/dhcp4/options.go
index 76ae151..5ac2fa6 100644
--- a/dhcp4/options.go
+++ b/dhcp4/options.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"bytes"
diff --git a/dhcp4/options_test.go b/dhcp4/options_test.go
index 22444ed..59fc77a 100644
--- a/dhcp4/options_test.go
+++ b/dhcp4/options_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"net"
diff --git a/dhcp4/packet.go b/dhcp4/packet.go
index 6d0462c..eca35b6 100644
--- a/dhcp4/packet.go
+++ b/dhcp4/packet.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"bytes"
diff --git a/dhcp4/packet_test.go b/dhcp4/packet_test.go
index 14361f8..a5221eb 100644
--- a/dhcp4/packet_test.go
+++ b/dhcp4/packet_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package dhcp
+package dhcp4
 
 import (
 	"bytes"