diff --git a/README.md b/README.md
index e59ae76..f94bacb 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## Requirements
 
-- Go 1.21+
+- Go 1.20+
 
 ## 🚀 Install
 
diff --git a/examples/client/client.go b/examples/client/client.go
index 4a50584..fbfb39c 100644
--- a/examples/client/client.go
+++ b/examples/client/client.go
@@ -1,11 +1,12 @@
 package main
 
 import (
-	"log/slog"
 	"os"
 	"os/signal"
 	"syscall"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/libgox/addr"
 	"github.com/protocol-laboratory/opcua-go/opcua"
 	"github.com/protocol-laboratory/opcua-go/opcua/ua"
diff --git a/examples/server/server.go b/examples/server/server.go
index ff6d610..dbe7d5a 100644
--- a/examples/server/server.go
+++ b/examples/server/server.go
@@ -1,12 +1,13 @@
 package main
 
 import (
-	"log/slog"
 	"os"
 	"os/signal"
 	"syscall"
 	"time"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/protocol-laboratory/opcua-go/opcua"
 )
 
diff --git a/go.mod b/go.mod
index 22160a2..9227d51 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,12 @@
 module github.com/protocol-laboratory/opcua-go
 
-go 1.21
+go 1.20
 
 require (
 	github.com/libgox/addr v0.2.0
 	github.com/libgox/buffer v0.0.0-20241015042438-2a8f016fc865
 	github.com/stretchr/testify v1.9.0
+	golang.org/x/exp v0.0.0-20240823005443-9b4947da3948
 )
 
 require (
diff --git a/go.sum b/go.sum
index e6de942..f05ef50 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 h1:kx6Ds3MlpiUHKj7syVnbp57++8WpuKPcR5yjLBjvLEA=
+golang.org/x/exp v0.0.0-20240823005443-9b4947da3948/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/opcua/client.go b/opcua/client.go
index ac6c5e1..540f08d 100644
--- a/opcua/client.go
+++ b/opcua/client.go
@@ -5,10 +5,11 @@ import (
 	"crypto/tls"
 	"encoding/binary"
 	"fmt"
-	"log/slog"
 	"net"
 	"sync"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/libgox/addr"
 	"github.com/libgox/buffer"
 
diff --git a/opcua/secure_channel.go b/opcua/secure_channel.go
index 80bd01a..92e3be5 100644
--- a/opcua/secure_channel.go
+++ b/opcua/secure_channel.go
@@ -2,9 +2,10 @@ package opcua
 
 import (
 	"errors"
-	"log/slog"
 	"sync/atomic"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/protocol-laboratory/opcua-go/opcua/enc"
 	"github.com/protocol-laboratory/opcua-go/opcua/uamsg"
 	"github.com/protocol-laboratory/opcua-go/opcua/util"
diff --git a/opcua/server.go b/opcua/server.go
index 1a89590..47e0076 100644
--- a/opcua/server.go
+++ b/opcua/server.go
@@ -2,11 +2,12 @@ package opcua
 
 import (
 	"fmt"
-	"log/slog"
 	"net"
 	"sync"
 	"time"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/libgox/buffer"
 )
 
diff --git a/opcua/server_test.go b/opcua/server_test.go
index ebf8e7f..d926a7c 100644
--- a/opcua/server_test.go
+++ b/opcua/server_test.go
@@ -1,9 +1,10 @@
 package opcua
 
 import (
-	"log/slog"
 	"testing"
 
+	"golang.org/x/exp/slog"
+
 	"github.com/libgox/addr"
 	"github.com/protocol-laboratory/opcua-go/opcua/ua"
 	"github.com/stretchr/testify/assert"