diff --git a/Dockerfile b/Dockerfile
index 7014eb5..7c572ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ WORKDIR /usr/src/app
 COPY . .
 
 # Build the extension module
-RUN (cd simpleddc-extension && python setup.py build_ext --inplace)
+RUN (cd simpleddc-extension && python setup.py install)
 
 # Install Python dependencies for the ddc-mqtt project
 RUN pip install --no-cache-dir -r ./ddc-mqtt/requirements.txt
diff --git a/ddc-mqtt/requirements.txt b/ddc-mqtt/requirements.txt
index 190577f..17d62e0 100644
--- a/ddc-mqtt/requirements.txt
+++ b/ddc-mqtt/requirements.txt
@@ -1,2 +1,2 @@
 pyyaml>=6.0
-paho-mqtt>=1.6.1
\ No newline at end of file
+paho-mqtt==1.6.1
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 46661df..c6f9d54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,9 +2,11 @@ version: '3.8'
 services:
   app:
     build: .
+    network_mode: "host"
     volumes:
       - .:/usr/src/app
-    ports:
-      - "8000:8000" # Adjust the left side to the port you want to expose on the host
+    devices:
+      - "/dev/i2c-20:/dev/i2c-20"
+      - "/dev/i2c-21:/dev/i2c-21"
     environment:
       - PYTHONUNBUFFERED=1