Update README.md

README.md

@@ -22,7 +22,7 @@ For details of training and evaluation, please see our [code repo](https://githu
 
 Explore further via the following links:
 
-| [**🚀Project Page**](https://tiger-ai-lab.github.io/VL-Rethinker/) | [**📖Paper**](https://github.com/TIGER-AI-Lab/VL-Rethinker/blob/main/paper.pdf) | [**🔗Github**](https://github.com/TIGER-AI-Lab/VL-Rethinker/) | [**🤗Data** (Coming Soon)]()  |
+| [**🚀Project Page**](https://tiger-ai-lab.github.io/VL-Rethinker/) | [**📖Paper**](https://arxiv.org/abs/2504.08837) | [**🔗Github**](https://github.com/TIGER-AI-Lab/VL-Rethinker/) | [**🤗Data** (Coming Soon)]()  |
 
 ## Citation