diff --git a/Dockerfile b/Dockerfile
index e6be3eb..49c1566 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM python:3.7-buster
 ENV PIO_URL https://github.com/platformio/platformio-core/archive/develop.zip
 
 RUN pip install -U ${PIO_URL} \
-    && platformio update
+    && pio pkg update
 
 COPY bin/entrypoint.sh /bin/entrypoint.sh