diff --git a/go.mod b/go.mod
index 6c0962f5..f92d95da 100644
--- a/go.mod
+++ b/go.mod
@@ -9,8 +9,13 @@ require (
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.34.0
 	github.com/stretchr/testify v1.9.0
 	github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a
+<<<<<<< HEAD
 	github.com/tailscale/tailscale-client-go v1.17.1-0.20240729175651-90a1e935cc19
 	github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801195603-6096900af9df
+=======
+	github.com/tailscale/tailscale-client-go v1.17.0
+	github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801205641-d930be734670
+>>>>>>> bfc4a29 (tailscale: use V2 client for device authorization)
 	golang.org/x/tools v0.23.0
 	tailscale.com v1.70.0
 )
diff --git a/go.sum b/go.sum
index 083c5ff5..43fdc05c 100644
--- a/go.sum
+++ b/go.sum
@@ -188,10 +188,17 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a h1:SJy1Pu0eH1C29XwJucQo73FrleVK6t4kYz4NVhp34Yw=
 github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a/go.mod h1:DFSS3NAGHthKo1gTlmEcSBiZrRJXi28rLNd/1udP1c8=
+<<<<<<< HEAD
 github.com/tailscale/tailscale-client-go v1.17.1-0.20240729175651-90a1e935cc19 h1:fRLv1yZH1ueL1cnpLhOnOymoBfMCIviCn0e0VkAjkK4=
 github.com/tailscale/tailscale-client-go v1.17.1-0.20240729175651-90a1e935cc19/go.mod h1:jbwJyHniK3nyLttwcDTXnfdDQEnADvc4VMOP8hZWnR0=
 github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801195603-6096900af9df h1:XjHI0pFxhttM1nEn/WNGOO3wrJYEJSZarJm0i5WFXgY=
 github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801195603-6096900af9df/go.mod h1:i/MSgQ71kdyh1Wdp50XxrIgtsyO4uZ2SZSPd83lGKHM=
+=======
+github.com/tailscale/tailscale-client-go v1.17.0 h1:4ZTsfB2hiiiIcx7prcXapZHO5K+TXB5fTdhGxdKGR88=
+github.com/tailscale/tailscale-client-go v1.17.0/go.mod h1:Zxz9AWl4cNX8F+jE7iIeo6Me7dGPXNdCFIoVeovH6eI=
+github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801205641-d930be734670 h1:Gh7C7H9uAmjeCMxDtYTP3GCY2OtMDzPLVQlTJQOGSL4=
+github.com/tailscale/tailscale-client-go/v2 v2.0.0-20240801205641-d930be734670/go.mod h1:i/MSgQ71kdyh1Wdp50XxrIgtsyO4uZ2SZSPd83lGKHM=
+>>>>>>> bfc4a29 (tailscale: use V2 client for device authorization)
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack v4.0.4+incompatible h1:dSLoQfGFAo3F6OoNhwUmLwVgaUXK79GlxNBwueZn0xI=
 github.com/vmihailenco/msgpack v4.0.4+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
diff --git a/tailscale/resource_device_authorization.go b/tailscale/resource_device_authorization.go
index cf0d2c40..17c0064a 100644
--- a/tailscale/resource_device_authorization.go
+++ b/tailscale/resource_device_authorization.go
@@ -6,7 +6,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 
-	"github.com/tailscale/tailscale-client-go/tailscale"
+	"github.com/tailscale/tailscale-client-go/v2"
 )
 
 func resourceDeviceAuthorization() *schema.Resource {
@@ -32,10 +32,10 @@ func resourceDeviceAuthorization() *schema.Resource {
 }
 
 func resourceDeviceAuthorizationRead(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
-	client := m.(*Clients).V1
+	client := m.(*Clients).V2
 	deviceID := d.Get("device_id").(string)
 
-	devices, err := client.Devices(ctx)
+	devices, err := client.Devices().List(ctx)
 	if err != nil {
 		return diagnosticsError(err, "Failed to fetch devices")
 	}
@@ -75,10 +75,10 @@ func resourceDeviceAuthorizationCreate(ctx context.Context, d *schema.ResourceDa
 }
 
 func resourceDeviceAuthorizationUpdate(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
-	client := m.(*Clients).V1
+	client := m.(*Clients).V2
 	deviceID := d.Get("device_id").(string)
 
-	devices, err := client.Devices(ctx)
+	devices, err := client.Devices().List(ctx)
 	if err != nil {
 		return diagnosticsError(err, "Failed to fetch devices")
 	}
@@ -104,7 +104,7 @@ func resourceDeviceAuthorizationUpdate(ctx context.Context, d *schema.ResourceDa
 		return nil
 	}
 
-	if err = client.AuthorizeDevice(ctx, deviceID); err != nil {
+	if err = client.Devices().SetAuthorized(ctx, deviceID, true); err != nil {
 		return diagnosticsError(err, "Failed to authorize device")
 	}