diff --git a/README.md b/README.md
index 5337d93c8..65770d43f 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Here's the [YouTube Video](https://youtu.be/9AXP7tCI9PI).
 
 Install [Langchain](https://github.com/hwchase17/langchain) and other required packages.
 ```
-pip install langchain openai chromadb tiktoken unstructured
+pip install langchain openai chromadb tiktoken unstructured langchain-openai langchain-community
 ```
 Modify `constants.py.default` to use your own [OpenAI API key](https://platform.openai.com/account/api-keys), and rename it to `constants.py`.