diff --git a/.gitignore b/.gitignore
index b3c4bd4..4f7187a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ pip-selfcheck.json
 Lib/
 .tox/
 .vscode/
+.idea
diff --git a/README.md b/README.md
index f3b486d..6d80c58 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,11 @@ Powers On the given port on the Switch identified by the given MAC Address.
   - `target_mac` -- MAC address of the device
   - `port_idx`   -- Port ID to power on
 
+### `update_x_passphrase(self, wlan_id, x_passphrase)`
+updates the Password of the given WLAN
+  - `wlan_id`       -- the WLANs ID
+  - `x_passphrase`  -- the new Password to set
+
 Utilities
 ---------
 
diff --git a/pyunifi/controller.py b/pyunifi/controller.py
index aafc9a2..ea61669 100644
--- a/pyunifi/controller.py
+++ b/pyunifi/controller.py
@@ -753,6 +753,18 @@ def update_setting(self, settings):
             res.extend(self._api_write("set/setting/" + sect, setting))
         return res
 
+    def update_x_passphrase(self, wlan_id, x_passphrase):
+        """
+        Update WLAN password
+
+        :param wlan_id: WLAN ID of the WLAN the password should be changed
+        :param x_passphrase: The new password
+        :return: the updated wlan_conf
+        """
+        res = self._api_update("rest/wlanconf/" + wlan_id,
+                               {"x_passphrase": x_passphrase})
+        return res
+
     def update_user_group(self, group_id, down_kbps=-1, up_kbps=-1):
         """
         Update user group bandwidth settings