diff --git a/docs/requirements.txt b/docs/requirements.txt
index a58cddda..2bfaad06 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,11 @@
 shapash
 shapash[report]
+Sphinx==4.5.0
+sphinxcontrib-applehelp==1.0.2
+sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-htmlhelp==2.0.0
+sphinxcontrib-jsmath==1.0.1
+sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-serializinghtml==1.1.5
+nbsphinx==0.8.8
+sphinx_material==0.0.35