Update README.md

Author: RayStick

README.md

@@ -86,7 +86,7 @@ This project is licensed under the MIT License. See the [LICENSE](LICENSE) file
 
 ## Citation
 
-Almarzouq, B., Mallon, A.-M., Mohammad, M., Stickland, R., Whitaker, K., & AIM-RSF team. (2024). Introduction to CPRD using synthetic datasets (cprd-data-wrangle). Zenodo: https://doi.org/10.5281/zenodo.13693615
+Almarzouq, B., Mallon, A.-M., Mohammad, M., Stickland, R., Whitaker, K., & AIM-RSF team. (2025). Introduction to CPRD using synthetic datasets (cprd-data-wrangle). Zenodo: https://doi.org/10.5281/zenodo.13693615 
 
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