diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3d65df477e7605..64507fd40107a9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -771,7 +771,7 @@ jobs:
           echo "Failed to restore Python virtual environment from cache"
           exit 1
       - name: Download all coverage artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
       - name: Combine coverage results
         run: |
           . venv/bin/activate
diff --git a/homeassistant/components/sensehat/sensor.py b/homeassistant/components/sensehat/sensor.py
index 3966e52f1a8508..67beb021d899bb 100644
--- a/homeassistant/components/sensehat/sensor.py
+++ b/homeassistant/components/sensehat/sensor.py
@@ -1,7 +1,7 @@
 """Support for Sense HAT sensors."""
 from datetime import timedelta
 import logging
-import os
+from pathlib import Path
 
 from sense_hat import SenseHat
 import voluptuous as vol
@@ -43,9 +43,8 @@
 
 def get_cpu_temp():
     """Get CPU temperature."""
-    res = os.popen("vcgencmd measure_temp").readline()
-    t_cpu = float(res.replace("temp=", "").replace("'C\n", ""))
-    return t_cpu
+    t_cpu = Path("/sys/class/thermal/thermal_zone0/temp").read_text().strip()
+    return float(t_cpu) * 0.001
 
 
 def get_average(temp_base):