diff --git a/docs/requirements.txt b/docs/requirements.txt
index c5e7e301..0f06b13f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,3 @@
 sphinx==3.2.1
 sphinx_bootstrap_theme==0.7.1
+setuptools==0.18.2