diff --git a/README.md b/README.md
index dfbf75c..ca52705 100644
--- a/README.md
+++ b/README.md
@@ -73,15 +73,15 @@ pip install -U tpfi
 
 See the [example notebook](https://github.com/keyuxing/tpfi/blob/main/examples/tutorial.ipynb) for more details.
 
-## Citation
+## How to cite
 
 If you use this package in your research, please add the following sentence to the footnote 
 or acknowledgement section of your paper:
-> This work made use of \texttt{tpfi} by Keyu Xing (publicly available at \url{https://github.com/keyuxing/tpfi}).
+> This work has made use of \texttt{tpfi} (publicly available at \url{https://github.com/keyuxing/tpfi}).
 
 and cite our paper: 
 
-Xing et al., 2023, in prep. (will be updated soon)
+Xing et al., 2023, [arXiv link](https://arxiv.org/abs/2402.16018)
 
 
 ## Contributing
diff --git a/pyproject.toml b/pyproject.toml
index e8ad19f..7f8a526 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tpfi"
-version = "1.2.2"
+version = "1.2.3"
 description = "Plot identification charts for Kepler, K2 and TESS."
 authors = ["Keyu Xing <kyxing@mail.bnu.edu.cn>"]
 readme = "README.md"
diff --git a/src/tpfi/version.py b/src/tpfi/version.py
index bc86c94..10aa336 100644
--- a/src/tpfi/version.py
+++ b/src/tpfi/version.py
@@ -1 +1 @@
-__version__ = "1.2.2"
+__version__ = "1.2.3"