diff --git a/docs/requirements_docs.txt b/docs/requirements_docs.txt
index ef03bb8..28fe614 100644
--- a/docs/requirements_docs.txt
+++ b/docs/requirements_docs.txt
@@ -5,4 +5,4 @@ h3
 numpy
 Sphinx
 sphinx_rtd_theme
-urllib3<2
+urllib3<3