diff --git a/Containerfile.debian b/Containerfile.debian
index 36047bd..d464d77 100644
--- a/Containerfile.debian
+++ b/Containerfile.debian
@@ -18,6 +18,7 @@ EOF
 
 FROM docker.io/library/python:${PYTHON_VERSION}-${DEBIAN_VERSION} AS pybuilder
 ENV PYTHONUNBUFFERED=1
+ENV PIP_ROOT_USER_ACTION=ignore
 COPY --from=gobuilder /pygomx-build/libmxclient.so /usr/local/lib/libmxclient.so
 COPY --from=gobuilder /pygomx-build/libmxclient.h /usr/local/include/libmxclient.h
 
@@ -33,6 +34,7 @@ EOF
 
 FROM docker.io/library/python:${PYTHON_VERSION}-${DEBIAN_VERSION}
 ENV PYTHONUNBUFFERED=1
+ENV PIP_ROOT_USER_ACTION=ignore
 RUN pip install cffi
 
 COPY --from=gobuilder /pygomx-build/libmxclient.so /usr/local/lib/