diff --git a/docs/modules/usage/custom_sandbox_guide.md b/docs/modules/usage/custom_sandbox_guide.md
index 9101c08f0a..c689711e90 100644
--- a/docs/modules/usage/custom_sandbox_guide.md
+++ b/docs/modules/usage/custom_sandbox_guide.md
@@ -5,7 +5,7 @@ The default OpenDevin sandbox comes with a [minimal ubuntu configuration](https:
 Your use case may need additional software installed by default.
 
 There are two ways you can do so:
-1. Use an existing image from docker hub. For instance, if you want to have `nodejs` installed, you can do so by using the `node:21` image.
+1. Use an existing image from docker hub. For instance, if you want to have `nodejs` installed, you can do so by using the `node:20` image.
 2. Creating your own custom docker image.
 
 If you want to take the first approach, you can skip the next section.
@@ -60,14 +60,14 @@ sandbox_container_image="custom_image"
 
 For sandbox_container_image, you can specify either:
 1. The name of your custom image that you built in the previous step (e.g., "custom_image")
-2. A pre-existing image from Docker Hub (e.g., "node:21" if you want a sandbox with Node.js pre-installed)
+2. A pre-existing image from Docker Hub (e.g., "node:20" if you want a sandbox with Node.js pre-installed)
 
 ## Run
 Run OpenDevin by running ```make run``` in the top level directory.
 
 Navigate to ```localhost:3001``` and check if your desired dependencies are available.
 
-In the case of the example above, running ```node -v``` in the terminal produces ```v18.19.1```
+In the case of the example above, running ```node -v``` in the terminal produces ```v20.15.0```
 
 Congratulations!
 
@@ -83,16 +83,21 @@ The custom image is built using [_build_sandbox_image()](https://github.com/Open
 
 ```python
 dockerfile_content = (
-        f'FROM {base_image}\n'
-        'RUN apt update && apt install -y openssh-server wget sudo\n'
-        'RUN mkdir -p -m0755 /var/run/sshd\n'
-        'RUN mkdir -p /opendevin && mkdir -p /opendevin/logs && chmod 777 /opendevin/logs\n'
-        'RUN wget "https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh"\n'
-        'RUN bash Miniforge3-$(uname)-$(uname -m).sh -b -p /opendevin/miniforge3\n'
-        'RUN bash -c ". /opendevin/miniforge3/etc/profile.d/conda.sh && conda config --set changeps1 False && conda config --append channels conda-forge"\n'
-        'RUN echo "export PATH=/opendevin/miniforge3/bin:$PATH" >> ~/.bashrc\n'
-        'RUN echo "export PATH=/opendevin/miniforge3/bin:$PATH" >> /opendevin/bash.bashrc\n'
-    ).strip()
+    f'FROM {base_image}\n'
+    'RUN apt update && apt install -y openssh-server wget sudo\n'
+    'RUN mkdir -p -m0755 /var/run/sshd\n'
+    'RUN mkdir -p /opendevin && mkdir -p /opendevin/logs && chmod 777 /opendevin/logs\n'
+    'RUN echo "" > /opendevin/bash.bashrc\n'
+    'RUN if [ ! -d /opendevin/miniforge3 ]; then \\\n'
+    '        wget "https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh" && \\\n'
+    '        bash Miniforge3-$(uname)-$(uname -m).sh -b -p /opendevin/miniforge3 && \\\n'
+    '        chmod -R g+w /opendevin/miniforge3 && \\\n'
+    '        bash -c ". /opendevin/miniforge3/etc/profile.d/conda.sh && conda config --set changeps1 False && conda config --append channels conda-forge"; \\\n'
+    '    fi\n'
+    'RUN /opendevin/miniforge3/bin/pip install --upgrade pip\n'
+    'RUN /opendevin/miniforge3/bin/pip install jupyterlab notebook jupyter_kernel_gateway flake8\n'
+    'RUN /opendevin/miniforge3/bin/pip install python-docx PyPDF2 python-pptx pylatexenc openai\n'
+).strip()
 ```
 
 > Note: the name of the image is modified via [_get_new_image_name()](https://github.com/OpenDevin/OpenDevin/blob/main/opendevin/runtime/docker/image_agnostic_util.py#L63) and it is the modified name that is searched for on subsequent runs.