diff --git a/README.md b/README.md
index f9365c4..bf547e1 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@ import it.*
 
 - [CleverCSV on Github](https://github.com/alan-turing-institute/CleverCSV)
 - [CleverCSV on PyPI](https://pypi.org/project/clevercsv/)
+- [Documentation on ReadTheDocs](https://clevercsv.readthedocs.io/en/latest/)
 - [Demo of CleverCSV on Binder (interactive!)](https://mybinder.org/v2/gh/alan-turing-institute/CleverCSVDemo/master?filepath=CSV_dialect_detection_with_CleverCSV.ipynb)
 - [Research Paper on CSV dialect detection 
   (PDF)](https://gertjanvandenburg.com/papers/VandenBurg_Nazabal_Sutton_-_Wrangling_Messy_CSV_Files_by_Detecting_Row_and_Type_Patterns_2019.pdf) 
diff --git a/pyproject.toml b/pyproject.toml
index a834bd6..0472ab9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,9 @@
+# Define project URLs for use on PyPI
+[project.urls]
+"Homepage" = "https://github.com/alan-turing-institute/CleverCSV/"
+"Bug Tracker" = "https://github.com/alan-turing-institute/CleverCSV/issues/"
+"Documentation" = "https://clevercsv.readthedocs.io/en/latest/"
+
 [tool.black]
 line-length=79