diff --git a/readme.md b/readme.md
index 0d81bc8..1fa5606 100644
--- a/readme.md
+++ b/readme.md
@@ -193,6 +193,7 @@ You can install Fooocus on Apple Mac silicon (M1 or M2) with macOS 'Catalina' or
 1. Change to the new Fooocus directory, `cd Fooocus`.
 1. Create a new conda environment, `conda env create -f environment.yaml`.
 1. Activate your new conda environment, `conda activate fooocus`.
+1. Install the pygit2, `pip install pygit2==1.12.2`.
 1. Install the packages required by Fooocus, `pip install -r requirements_versions.txt`.
 1. Launch Fooocus by running `python entry_with_update.py`. The first time you run Fooocus, it will automatically download the Stable Diffusion SDXL models and will take a significant time, depending on your internet connection.