diff --git a/src/python/devcontainer-feature.json b/src/python/devcontainer-feature.json
index 9f211244f..284f4a4a7 100644
--- a/src/python/devcontainer-feature.json
+++ b/src/python/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "python",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "name": "Python",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/python",
   "description": "Installs the provided version of Python, as well as PIPX, and other common Python utilities.  JupyterLab is conditionally installed with the python feature. Note: May require source code compilation.",
diff --git a/src/python/install.sh b/src/python/install.sh
index e8a9d24e1..0f332021c 100755
--- a/src/python/install.sh
+++ b/src/python/install.sh
@@ -15,6 +15,7 @@ ENABLE_SHARED_FROM_SOURCE="${ENABLESHARED:-"false"}"
 PYTHON_INSTALL_PATH="${INSTALLPATH:-"/usr/local/python"}"
 OVERRIDE_DEFAULT_VERSION="${OVERRIDEDEFAULTVERSION:-"true"}"
 
+export PIP_INDEX_URL=${PYPIINDEX:-"https://mirrors.aliyun.com/pypi/simple"}
 export PIPX_HOME=${PIPX_HOME:-"/usr/local/py-utils"}
 
 USERNAME="${USERNAME:-"${_REMOTE_USER:-"automatic"}"}"
@@ -428,7 +429,7 @@ install_cpython() {
     mkdir -p /tmp/python-src ${INSTALL_PATH}
     cd /tmp/python-src
     cpython_tgz_filename="Python-${VERSION}.tgz"
-    cpython_tgz_url="https://www.python.org/ftp/python/${VERSION}/${cpython_tgz_filename}"
+    cpython_tgz_url="https://mirror.pixelreel.net/proxy/www.python.org/ftp/python/${VERSION}/${cpython_tgz_filename}"
     echo "Downloading ${cpython_tgz_filename}..."
     curl -sSL -o "/tmp/python-src/${cpython_tgz_filename}" "${cpython_tgz_url}"
 }