diff --git a/README.rst b/README.rst
index cd409a7..94e7fbe 100644
--- a/README.rst
+++ b/README.rst
@@ -174,6 +174,8 @@ Alternatively, you can unzip the sources in a folder and type:
 
     python setup.py install
 
+**Note:** the package depends on the WeasyPrint Python package. If there are any issues, see installation instructions in the [WeasyPrint documentation](https://doc.courtbouillon.org/weasyprint/stable/first_steps.html). The version is [fixed to <=52](https://github.com/Edinburgh-Genome-Foundry/pdf_reports/blob/master/setup.py) as not all GNU/Linux distributions have the latest Pango that is required by the latest WeasyPrint.
+
 **Note: on some Debian systems** you may need to first install ``libffi-dev`` (``apt install libffi-dev``). The package name may be ``libffi-devel`` on some systems.
 
 **Note: on macOS,** you may need to first install pango with: ``brew install pango``