Update README.md

README.md

@@ -34,6 +34,12 @@ The core models released in this batch include the following:
 | **Final Models (RLVR)** | [allenai/OLMo-2-1124-7B-Instruct](https://huggingface.co/allenai/OLMo-2-1124-7B-Instruct)                        | [allenai/OLMo-2-1124-13B-Instruct](https://huggingface.co/allenai/OLMo-2-1124-13B-Instruct)                      |
 | **Reward Model (RM)**| [allenai/OLMo-2-1124-7B-RM](https://huggingface.co/allenai/OLMo-2-1124-7B-RM)                                                     | (Same as 7B)                                                     |
 
+## Installation
+
+OLMo 2 will be supported in the next version of Transformers, and you need to install it from the main branch using:
+```bash
+pip install --upgrade git+https://github.com/huggingface/transformers.git
+```
 
 ## Inference