diff --git a/requirements.txt b/requirements.txt
index 0da1e9a9..b6a6aa9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ histogrammar>=1.0.28
 phik
 jinja2
 tqdm
+plotly>=5.8.0
 matplotlib>=2.2.3
 joblib>=0.14.0
 pybase64>=1.0.1