diff --git a/docs/Project.toml b/docs/Project.toml
index 30f5675..3b7cf02 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -11,3 +11,4 @@ PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d"
 ArviZExampleData = "0.1.5"
 Distributions = "0.25"
 Documenter = "1"
+PythonCall = "0.9"