diff --git a/go.mod b/go.mod
index 88f1cc963..a5a22891c 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,6 @@ require (
 	github.com/onsi/gomega v1.19.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799
-	github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5
 	github.com/pkg/sftp v1.13.5
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/viper v1.4.0
diff --git a/go.sum b/go.sum
index 35cb045ad..bf5a95769 100644
--- a/go.sum
+++ b/go.sum
@@ -454,8 +454,6 @@ github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pelletier/go-toml v1.9.4 h1:tjENF6MfZAg8e4ZmZTeWaWiT2vXtsoO6+iuOjFhECwM=
 github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
-github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5 h1:Ii+DKncOVM8Cu1Hc+ETb5K+23HdAMvESYE3ZJ5b5cMI=
-github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE=
 github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=
 github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
diff --git a/pkg/util/netutil/netutil.go b/pkg/util/netutil/netutil.go
index ea67fbd7d..a1b1da48a 100644
--- a/pkg/util/netutil/netutil.go
+++ b/pkg/util/netutil/netutil.go
@@ -14,14 +14,13 @@
 
 package netutil
 
-import (
-	"github.com/phayes/freeport"
-)
+import "net"
 
 func GetFreePort() (int, error) {
-	port, err := freeport.GetFreePort()
+	l, err := net.Listen("tcp", ":0")
 	if err != nil {
 		return 0, err
 	}
-	return port, nil
+	defer l.Close()
+	return l.Addr().(*net.TCPAddr).Port, nil
 }
diff --git a/pkg/util/netutil/netutil_test.go b/pkg/util/netutil/netutil_test.go
new file mode 100644
index 000000000..e6f93d9be
--- /dev/null
+++ b/pkg/util/netutil/netutil_test.go
@@ -0,0 +1,27 @@
+// Copyright 2022 The envd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package netutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetFreePort(t *testing.T) {
+	port, err := GetFreePort()
+	assert.NoError(t, err)
+	assert.NotEqual(t, port, 0)
+}