diff --git a/requirements-dev.txt b/requirements-dev.txt
index 20fd420bd..03bb5e72d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,6 +2,7 @@
 -r requirements.txt
 -r requirements-plot.txt
 -r requirements-hyperopt.txt
+-r docs/requirements-docs.txt
 
 coveralls==3.3.1
 flake8==4.0.1