diff --git a/docs/requirements.txt b/docs/requirements.txt
index 501bb29..f0a7b8c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,8 @@
 Sphinx==3.5.2
 sphinx-rtd-theme==0.5.1
-Jinja2==3.0.3
+sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-serializinghtml==1.1.5
+Jinja2==3.0.3
\ No newline at end of file