diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 6e14523..47535bc 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,5 @@
-# See here for image contents: https://github.com/microsoft/vscode-dev-containers/blob/v0.185.0/containers/python-3/.devcontainer/base.Dockerfile
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/blob/v0.191.0/containers/python-3/.devcontainer/base.Dockerfile
+# [Choice] Python version: 3, 3.9, 3.8, 3.7, 3.6
 ARG VARIANT="3"
 FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
 
@@ -12,10 +13,9 @@ RUN if ! cat /etc/group | grep -e "^pip-global:" > /dev/null 2>&1; then groupadd
     && chown :pip-global ${PIP_TARGET} \
     && ( [ ! -f "/etc/profile.d/00-restore-env.sh" ] || sed -i -e "s/export PATH=/export PATH=\/usr\/local\/pip-global:/" /etc/profile.d/00-restore-env.sh )
 
-# [Option] Install Node.js
-ARG INSTALL_NODE="true"
-ARG NODE_VERSION="lts/*"
-RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="none"
+RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
 
 # [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
 # COPY requirements.txt /tmp/pip-tmp/
@@ -27,4 +27,4 @@ RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "umask 0002 && . /usr/l
 #     && apt-get -y install --no-install-recommends <your-package-list-here>
 
 # [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
\ No newline at end of file
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9d34a6e..b4fa680 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,5 +1,5 @@
 // For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.185.0/containers/python-3
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.191.0/containers/python-3
 {
 	"name": "Python 3",
 	"build": {
@@ -9,7 +9,6 @@
 			// Update 'VARIANT' to pick a Python version: 3, 3.6, 3.7, 3.8, 3.9
 			"VARIANT": "3",
 			// Options
-			"INSTALL_NODE": "true",
 			"NODE_VERSION": "lts/*"
 		}
 	},