diff --git a/README.md b/README.md
index 8de76a354..881602e8f 100644
--- a/README.md
+++ b/README.md
@@ -95,8 +95,6 @@ conda install mpi4py
 bash install.sh
 ```
 
-You may try `pip install packaging torch` before `bash install.sh` if the installation process freezed due to limited RAM.
-
 ### Prepare Dataset
 
 Please refer to our [doc](https://github.com/OptimalScale/LMFlow/blob/main/docs/dataset.md).
diff --git a/requirements.txt b/requirements.txt
index 4f8ea964c..97d20a2e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+packaging
 numpy==1.24.2
 datasets==2.14.6
 tokenizers>=0.13.3