diff --git a/Dockerfile b/Dockerfile
index 6f220136..f993e655 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,11 @@ WORKDIR /opt/recipes
 
 COPY requirements.txt ./
 
+RUN \
+    if [ `dpkg --print-architecture` = "armhf" ]; then \
+    printf "[global]\nextra-index-url=https://www.piwheels.org/simple\n" > /etc/pip.conf ; \
+    fi
+
 RUN apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev zlib-dev jpeg-dev libwebp-dev libressl-dev libffi-dev cargo openssl-dev openldap-dev python3-dev && \
     echo -n "INPUT ( libldap.so )" > /usr/lib/libldap_r.so && \
     python -m venv venv && \