diff --git a/docker/Dockerfile b/docker/Dockerfile
index fb14203b..6fad56f9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -244,7 +244,6 @@ RUN pip install --break-system-packages \
       python3 \
       python3-setuptools \
       python3-inotify \
-      python3-sphinx \
       python3-xmltodict \
       python3-lxml \
       python3-nose \