diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index aa92ddc..dfb79d2 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -27,8 +27,8 @@ jobs:
           - python-version: '3.13'
             os: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 275dbfc..57b728d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,8 +30,8 @@ jobs:
           - python-version: '3.13'
             os: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -50,10 +50,10 @@ jobs:
     needs: test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.10'
 
@@ -79,7 +79,7 @@ jobs:
           fi
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@3bb12739c298aeb8a4eeaf626c5b8d85266b0e65 # v2.6.2
         with:
           # Auto-generate release notes (editable after creation)
           generate_release_notes: true
diff --git a/README.md b/README.md
index 2763829..725a09e 100644
--- a/README.md
+++ b/README.md
@@ -293,9 +293,11 @@ Connect to a Wi-Fi network specified by SSID or BSSID.
 
 The `wait` argument applies the same effect to the command as the `--wait` option. If it is omitted, the default behavior is followed.
 
+If `password` is `None`, the password option is omitted from the command. This allows connecting to open networks or known networks that already have credentials stored.
+
 ```
 nmcli.device.wifi_connect(ssid: str,
-                          password: str,
+                          password: Optional[str] = None,
                           ifname: str = None,
                           wait: int = None) -> None
 ```
@@ -509,6 +511,10 @@ nmcli.set_lang(lang: str) -> None
 
 ## Change Log
 
+### 1.8.0
+
+- Allow `nmcli.device.wifi_connect` to accept `None` as password to connect to open or known networks without specifying a password.
+
 ### 1.7.0
 
 - Added `nmcli.connection.show_all` method with active filtering support
diff --git a/nmcli/_device.py b/nmcli/_device.py
index 79216ba..8ea8b27 100644
--- a/nmcli/_device.py
+++ b/nmcli/_device.py
@@ -1,5 +1,5 @@
 import re
-from typing import List, Tuple
+from typing import List, Optional, Tuple
 
 from ._exception import ConnectionActivateFailedException
 from ._helper import add_fields_option_if_needed, add_wait_option_if_needed
@@ -75,7 +75,7 @@ def wifi(self, ifname: str = None, rescan: bool = None) -> List[DeviceWifi]:
 
     def wifi_connect(self,
                      ssid: str,
-                     password: str,
+                     password: Optional[str] = None,
                      ifname: str = None,
                      wait: int = None) -> None:
         raise NotImplementedError
@@ -182,13 +182,13 @@ def wifi(self, ifname: str = None, rescan: bool = None) -> List[DeviceWifi]:
 
     def wifi_connect(self,
                      ssid: str,
-                     password: str | None,
+                     password: Optional[str] = None,
                      ifname: str = None,
                      wait: int = None) -> None:
         cmd = add_wait_option_if_needed(
             wait) + ['device', 'wifi', 'connect', ssid]
         if password is not None:
-            cmd += ['password', password] 
+            cmd += ['password', password]
         if ifname is not None:
             cmd += ['ifname', ifname]
         r = self._syscmd.nmcli(cmd)
diff --git a/nmcli/dummy/_device.py b/nmcli/dummy/_device.py
index 10d9c01..c5ed238 100644
--- a/nmcli/dummy/_device.py
+++ b/nmcli/dummy/_device.py
@@ -1,4 +1,4 @@
-from typing import List, Tuple
+from typing import List, Optional, Tuple
 
 from .._device import DeviceControlInterface, DeviceDetails
 from ..data.device import Device, DeviceWifi
@@ -126,7 +126,7 @@ def wifi(self, ifname: str = None, rescan: bool = None) -> List[DeviceWifi]:
 
     def wifi_connect(self,
                      ssid: str,
-                     password: str,
+                     password: Optional[str] = None,
                      ifname: str = None,
                      wait: int = None) -> None:
         self._raise_error_if_needed()
diff --git a/pyproject.toml b/pyproject.toml
index 521b210..c1ef2a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "nmcli"
-version = "1.7.0"
+version = "1.8.0"
 description = "A python wrapper library for the network-manager cli client"
 readme = "README.md"
 authors = [{name = "ushiboy"}]
diff --git a/tests/dummy/test_device.py b/tests/dummy/test_device.py
index a4ee880..170cf08 100644
--- a/tests/dummy/test_device.py
+++ b/tests/dummy/test_device.py
@@ -149,6 +149,20 @@ def test_wifi_connect():
     assert c.wifi_connect_args[2] == (ssid, password, ifname, 10)
 
 
+def test_wifi_connect_without_password():
+    c = DummyDeviceControl()
+    ssid = 'ssid'
+    ifname = 'wlan0'
+    c.wifi_connect(ssid, None)
+    assert c.wifi_connect_args[0] == (ssid, None, None, None)
+    c.wifi_connect(ssid, None, ifname)
+    assert c.wifi_connect_args[1] == (ssid, None, ifname, None)
+    c.wifi_connect(ssid, None, ifname, wait=10)
+    assert c.wifi_connect_args[2] == (ssid, None, ifname, 10)
+    c.wifi_connect(ssid)
+    assert c.wifi_connect_args[3] == (ssid, None, None, None)
+
+
 def test_wifi_connect_when_raise_error():
     c = DummyDeviceControl(raise_error=Exception)
     ssid = 'ssid'
diff --git a/tests/test_device.py b/tests/test_device.py
index 2b1576d..6e57592 100644
--- a/tests/test_device.py
+++ b/tests/test_device.py
@@ -326,6 +326,9 @@ def test_wifi_connect_without_password():
     assert s.passed_parameters == [
         '--wait', '10', 'device', 'wifi', 'connect', ssid]
 
+    device.wifi_connect(ssid)
+    assert s.passed_parameters == ['device', 'wifi', 'connect', ssid]
+
 
 def test_wifi_connect_when_connection_activate_failed():
     s = DummySystemCommand(
diff --git a/tests/test_general.py b/tests/test_general.py
index 870828f..6c2520b 100644
--- a/tests/test_general.py
+++ b/tests/test_general.py
@@ -59,7 +59,8 @@ def test_reload_with_all_valid_flags():
     s = DummySystemCommand()
     general = GeneralControl(s)
     general.reload(['conf', 'dns-rc', 'dns-full'])
-    assert s.passed_parameters == ['general', 'reload', 'conf', 'dns-rc', 'dns-full']
+    assert s.passed_parameters == ['general',
+                                   'reload', 'conf', 'dns-rc', 'dns-full']
 
 
 def test_reload_with_invalid_flag():