diff --git a/11.0/Dockerfile b/11.0/Dockerfile
index b465019..c986497 100644
--- a/11.0/Dockerfile
+++ b/11.0/Dockerfile
@@ -36,8 +36,8 @@ RUN set -x; \
         && rm -rf /var/lib/apt/lists/* odoo.deb
 
 # Copy entrypoint script and Odoo configuration file
-RUN pip3 install wheel
-RUN pip3 install num2words xlwt
+RUN pip3 --no-cache-dir install wheel \
+ && pip3 --no-cache-dir install num2words xlwt
 COPY ./entrypoint.sh /
 COPY ./odoo.conf /etc/odoo/
 RUN chown odoo /etc/odoo/odoo.conf