diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index cb72f0d..c583b01 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Install test dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pytest pytest-asyncio
+          pip install pytest pytest-asyncio pyserial-asyncio-fast
 
       - name: Run tests
         run: pytest -q
diff --git a/custom_components/flipper_rc/flipper_ir.py b/custom_components/flipper_rc/flipper_ir.py
index f02ed82..7e39bc2 100644
--- a/custom_components/flipper_rc/flipper_ir.py
+++ b/custom_components/flipper_rc/flipper_ir.py
@@ -3,6 +3,7 @@
 import time
 from posixpath import normpath
 import re
+import serial_asyncio_fast as serial_asyncio
 
 _LOGGER = logging.getLogger(__name__)