diff --git a/streamlit-server/requirements.txt b/streamlit-server/requirements.txt
index e717334..2f5239f 100644
--- a/streamlit-server/requirements.txt
+++ b/streamlit-server/requirements.txt
@@ -180,6 +180,7 @@ streamlit-image-coordinates==0.1.6
 streamlit-keyup==0.2.4
 streamlit-toggle-switch==1.0.2
 streamlit-vertical-slider==2.5.5
+streamlit_pdf_viewer
 sympy==1.12
 systemd-python==234
 tabulate==0.9.0