diff --git a/homeassistant/components/tailscale/config_flow.py b/homeassistant/components/tailscale/config_flow.py
index c5888e64f71..ab57e9eadc6 100644
--- a/homeassistant/components/tailscale/config_flow.py
+++ b/homeassistant/components/tailscale/config_flow.py
@@ -8,7 +8,7 @@ from typing import Any
 from tailscale import Tailscale, TailscaleAuthenticationError, TailscaleError
 import voluptuous as vol
 
-from homeassistant.config_entries import ConfigEntry, ConfigFlow, ConfigFlowResult
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
 from homeassistant.const import CONF_API_KEY
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -34,8 +34,6 @@ class TailscaleFlowHandler(ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
 
-    reauth_entry: ConfigEntry | None = None
-
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
@@ -86,9 +84,6 @@ class TailscaleFlowHandler(ConfigFlow, domain=DOMAIN):
         self, entry_data: Mapping[str, Any]
     ) -> ConfigFlowResult:
         """Handle initiation of re-authentication with Tailscale."""
-        self.reauth_entry = self.hass.config_entries.async_get_entry(
-            self.context["entry_id"]
-        )
         return await self.async_step_reauth_confirm()
 
     async def async_step_reauth_confirm(
@@ -97,11 +92,12 @@ class TailscaleFlowHandler(ConfigFlow, domain=DOMAIN):
         """Handle re-authentication with Tailscale."""
         errors = {}
 
-        if user_input is not None and self.reauth_entry:
+        if user_input is not None:
+            reauth_entry = self._get_reauth_entry()
             try:
                 await validate_input(
                     self.hass,
-                    tailnet=self.reauth_entry.data[CONF_TAILNET],
+                    tailnet=reauth_entry.data[CONF_TAILNET],
                     api_key=user_input[CONF_API_KEY],
                 )
             except TailscaleAuthenticationError:
@@ -109,17 +105,10 @@ class TailscaleFlowHandler(ConfigFlow, domain=DOMAIN):
             except TailscaleError:
                 errors["base"] = "cannot_connect"
             else:
-                self.hass.config_entries.async_update_entry(
-                    self.reauth_entry,
-                    data={
-                        **self.reauth_entry.data,
-                        CONF_API_KEY: user_input[CONF_API_KEY],
-                    },
+                return self.async_update_reload_and_abort(
+                    reauth_entry,
+                    data_updates={CONF_API_KEY: user_input[CONF_API_KEY]},
                 )
-                self.hass.async_create_task(
-                    self.hass.config_entries.async_reload(self.reauth_entry.entry_id)
-                )
-                return self.async_abort(reason="reauth_successful")
 
         return self.async_show_form(
             step_id="reauth_confirm",