diff --git a/homeassistant/components/hdmi_cec.py b/homeassistant/components/hdmi_cec.py
index 23c3fc011069e..1b957e80c6570 100644
--- a/homeassistant/components/hdmi_cec.py
+++ b/homeassistant/components/hdmi_cec.py
@@ -26,7 +26,7 @@
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import Entity
 
-REQUIREMENTS = ['pyCEC==0.4.9']
+REQUIREMENTS = ['pyCEC==0.4.11']
 
 DOMAIN = 'hdmi_cec'
 
diff --git a/homeassistant/components/switch/hdmi_cec.py b/homeassistant/components/switch/hdmi_cec.py
index bd1f9ea657877..0e17aeab8e42d 100644
--- a/homeassistant/components/switch/hdmi_cec.py
+++ b/homeassistant/components/switch/hdmi_cec.py
@@ -47,6 +47,14 @@ def turn_off(self, **kwargs) -> None:
         self._device.turn_off()
         self._state = STATE_ON
 
+    def toggle(self):
+        """Toggle the entity."""
+        self._device.toggle()
+        if self._state == STATE_ON:
+            self._state = STATE_OFF
+        else:
+            self._state = STATE_ON
+
     @property
     def is_on(self) -> bool:
         """Return True if entity is on."""
diff --git a/requirements_all.txt b/requirements_all.txt
index bace30c8fc8b5..08ef6b6d9c702 100755
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -381,7 +381,7 @@ pwaqi==1.3
 py-cpuinfo==0.2.3
 
 # homeassistant.components.hdmi_cec
-pyCEC==0.4.9
+pyCEC==0.4.11
 
 # homeassistant.components.switch.tplink
 pyHS100==0.2.3