diff --git a/docs/requirements-doc.txt b/docs/requirements-doc.txt
index 0602a1cd9..70163aec0 100644
--- a/docs/requirements-doc.txt
+++ b/docs/requirements-doc.txt
@@ -3,3 +3,4 @@
 sphinx_rtd_theme
 myst-parser
 sphinxcontrib-napoleon
+distlib   # required by micropip