diff --git a/src/requirements.txt b/src/requirements.txt
index c6adef4..4c2aa82 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -16,6 +16,7 @@ idna==3.10
 importlib_metadata==8.6.1
 itsdangerous==2.2.0
 Jinja2==3.1.5
+kaleido==0.2.1
 loguru==0.7.3
 MarkupSafe==3.0.2
 msgspec==0.19.0