diff --git a/.github/workflows/test-air.yml b/.github/workflows/test-air.yml
index 94d90ba..f924334 100644
--- a/.github/workflows/test-air.yml
+++ b/.github/workflows/test-air.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install Python Dependencies
       run: |
         cd air
diff --git a/air/tests/test_utils.py b/air/tests/test_utils.py
index 90c70de..3a832bd 100644
--- a/air/tests/test_utils.py
+++ b/air/tests/test_utils.py
@@ -5,6 +5,7 @@
 from threading import Thread
 
 from whitevest.lib.atomic_value import AtomicValue
+from whitevest.lib.atomic_buffer import AtomicBuffer
 from whitevest.lib.configuration import Configuration
 from whitevest.lib.const import TELEMETRY_TUPLE_LENGTH
 from whitevest.lib.utils import (
@@ -55,7 +56,7 @@ def test_digest_next_sensor_reading():
     gps_value = [random.random() for _ in range(4)]
     magnetometer_accelerometer_value = [random.random() for _ in range(6)]
     data_queue = Queue()
-    current_reading = AtomicValue()
+    current_reading = AtomicBuffer(1)
     now = digest_next_sensor_reading(
         start_time,
         data_queue,
@@ -73,8 +74,8 @@ def test_digest_next_sensor_reading():
     )
     assert logged
     assert logged == expected_tuple
-    assert current_reading.get_value() == expected_tuple
-    assert len(logged) == TELEMETRY_TUPLE_LENGTH - 1
+    assert current_reading.read()[0] == expected_tuple
+    assert len(logged) == TELEMETRY_TUPLE_LENGTH
 
 
 def test_write_sensor_log():
@@ -103,13 +104,13 @@ def test_transmit_latest_readings():
     start_time = time.time()
     rfm9x = MockRFM9X()
     camera_is_running = AtomicValue(0.0)
-    current_reading = AtomicValue(
-        [random.random() for _ in range(TELEMETRY_TUPLE_LENGTH - 1)]
-    )
+    current_reading = AtomicBuffer(2)
+    current_reading.put([random.random() for _ in range(TELEMETRY_TUPLE_LENGTH)])
+    current_reading.put([random.random() for _ in range(TELEMETRY_TUPLE_LENGTH)])
     readings_sent_1, last_check_1 = transmit_latest_readings(
         camera_is_running, rfm9x, last_check, readings_sent, start_time, current_reading
     )
     assert readings_sent_1 > readings_sent
     assert last_check < last_check_1
     assert last_check_1 <= time.time()
-    assert len(rfm9x.sent) == (TELEMETRY_TUPLE_LENGTH * 8)
+    assert len(rfm9x.sent) == (TELEMETRY_TUPLE_LENGTH * 8 * 2) + 8
diff --git a/air/whitevest/bin/test_sensors.py b/air/whitevest/bin/test_sensors.py
index 54c6313..679d025 100644
--- a/air/whitevest/bin/test_sensors.py
+++ b/air/whitevest/bin/test_sensors.py
@@ -4,6 +4,7 @@
 import time
 
 from whitevest.lib.atomic_value import AtomicValue
+from whitevest.lib.atomic_buffer import AtomicBuffer
 from whitevest.lib.configuration import Configuration
 from whitevest.lib.const import TELEMETRY_TUPLE_LENGTH
 from whitevest.lib.hardware import (
@@ -44,9 +45,9 @@ def test_rfm9x(configuration: Configuration):
         rfm9x = init_radio(configuration)
         if rfm9x:
             camera_is_running = AtomicValue(0.0)
-            current_reading = AtomicValue(
-                [0.0 for _ in range(TELEMETRY_TUPLE_LENGTH - 1)]
-            )
+            current_reading = AtomicBuffer(2)
+            current_reading.put([0.0 for _ in range(TELEMETRY_TUPLE_LENGTH)])
+            current_reading.put([0.0 for _ in range(TELEMETRY_TUPLE_LENGTH)])
             start_time = time.time()
             transmissions = 0
             while time.time() - start_time < TEST_TIME_LENGTH: