diff --git a/week09_compression/README.md b/week09_compression/README.md
index f67a5ae..15d5ae2 100644
--- a/week09_compression/README.md
+++ b/week09_compression/README.md
@@ -27,7 +27,7 @@ conda activate inference
 
 # To run part with auto-gptq
 pip install auto-gptq==0.7.1 accelerate==0.28.0
-pip install --upgrade git+https://github.com/huggingface/transformers.git
+pip install --upgrade git+https://github.com/huggingface/transformers.git@56b64bf
 
 # To run part with Smoothquant
 cd ~
@@ -55,4 +55,4 @@ jupyter lab --no-browser
 * https://arxiv.org/abs/2206.09557
 * https://arxiv.org/abs/2208.07339
 * https://huggingface.co/blog/hf-bitsandbytes-integration
-* https://pytorch.org/tutorials/advanced/static_quantization_tutorial.html
\ No newline at end of file
+* https://pytorch.org/tutorials/advanced/static_quantization_tutorial.html