diff --git a/docker/Dockerfile b/docker/Dockerfile
index 622f7ce6..40a5fafa 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -33,7 +33,8 @@ RUN install_packages \
  zbar-tools \
  libzbar0 \
  sox \
- libsox-fmt-all
+ libsox-fmt-all \
+ libopenblas-dev
 RUN install_packages \
  avrdude \
  tesseract-ocr \
diff --git a/docker/stub/requirements.txt b/docker/stub/requirements.txt
index 604a1daf..f1b6b487 100644
--- a/docker/stub/requirements.txt
+++ b/docker/stub/requirements.txt
@@ -20,7 +20,7 @@ grpcio==1.62.1
 numpy==1.26.4
 Pillow==10.2.0
 protobuf==4.25.2
-opencv-contrib-python==4.9.0.80
+opencv-contrib-python==4.8.1.78
 tflite-runtime==2.11.0
 pytesseract==0.3.10
 pyzbar==0.1.9