diff --git a/src/Dockerfile b/src/Dockerfile
index 6cf9436..376f7d6 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -8,7 +8,7 @@ COPY solarflow-control.py /
 RUN pip install --upgrade pip
 RUN pip install paho-mqtt
 RUN pip install astral
-RUN apk add libxml2-dev libxslt-dev
+RUN apk add libxml2-dev libxslt-dev libffi libffi-dev
 RUN pip install ip2geotools
 
 ENTRYPOINT ["python","solarflow-control.py"]
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