diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7f56e9c..ab41021 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -95,6 +95,7 @@ RUN export http_proxy=${GIT_PROXY} https_proxy=${GIT_PROXY} && \
 # ===========================================================================
 RUN python${PYTHON_VER} -m venv ${VENV} && \
     mkdir -p /root/.pip && \
+    touch ${VENV}/torch-constraint.txt && \
     echo "[global]" > /root/.pip/pip.conf && \
     echo "index-url = ${PIP_INDEX}" >> /root/.pip/pip.conf && \
     echo "[install]" >> /root/.pip/pip.conf && \