diff --git a/homeassistant/components/lametric/manifest.json b/homeassistant/components/lametric/manifest.json
index 5a066d015f2..f66ffb0c6ae 100644
--- a/homeassistant/components/lametric/manifest.json
+++ b/homeassistant/components/lametric/manifest.json
@@ -13,7 +13,7 @@
   "integration_type": "device",
   "iot_class": "local_polling",
   "loggers": ["demetriek"],
-  "requirements": ["demetriek==1.1.0"],
+  "requirements": ["demetriek==1.1.1"],
   "ssdp": [
     {
       "deviceType": "urn:schemas-upnp-org:device:LaMetric:1"
diff --git a/homeassistant/components/lametric/number.py b/homeassistant/components/lametric/number.py
index 1025e04a4a8..a1d922c2d80 100644
--- a/homeassistant/components/lametric/number.py
+++ b/homeassistant/components/lametric/number.py
@@ -50,7 +50,7 @@ NUMBERS = [
         native_step=1,
         native_min_value=0,
         native_max_value=100,
-        has_fn=lambda device: bool(device.audio),
+        has_fn=lambda device: bool(device.audio and device.audio.available),
         value_fn=lambda device: device.audio.volume if device.audio else 0,
         set_value_fn=lambda api, volume: api.audio(volume=int(volume)),
     ),
diff --git a/requirements_all.txt b/requirements_all.txt
index 8770a970f13..af749099729 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -755,7 +755,7 @@ defusedxml==0.7.1
 deluge-client==1.10.2
 
 # homeassistant.components.lametric
-demetriek==1.1.0
+demetriek==1.1.1
 
 # homeassistant.components.denonavr
 denonavr==1.0.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 72829b014cf..59773b9b817 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -645,7 +645,7 @@ defusedxml==0.7.1
 deluge-client==1.10.2
 
 # homeassistant.components.lametric
-demetriek==1.1.0
+demetriek==1.1.1
 
 # homeassistant.components.denonavr
 denonavr==1.0.1
diff --git a/tests/components/lametric/snapshots/test_diagnostics.ambr b/tests/components/lametric/snapshots/test_diagnostics.ambr
index 7517cfe035e..8b8f98b5806 100644
--- a/tests/components/lametric/snapshots/test_diagnostics.ambr
+++ b/tests/components/lametric/snapshots/test_diagnostics.ambr
@@ -2,6 +2,7 @@
 # name: test_diagnostics
   dict({
     'audio': dict({
+      'available': True,
       'volume': 100,
       'volume_limit': dict({
         'range_max': 100,