diff --git a/pyproject.toml b/pyproject.toml
index db656e8e7a2..e8b673fbdc5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,6 +75,7 @@ sphinxcontrib-websupport = "==2.0.0"
 sphinxemoji = "==0.3.1"
 sphinx-toggleprompt = "==0.5.2"
 autodocsumm = "==0.2.13"
+beautifulsoup4 = "==4.12.3"
 openpyxl = { version = ">=3.1.5", optional = true }
 plotly = { version = ">=5.22.0", optional = true }
 python-pptx = { version = ">=0.6.23", optional = true }