diff --git a/pyproject.toml b/pyproject.toml
index 2d09c05..b8c3910 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,8 @@ classifiers = [
 ]
 dependencies = [
     "numpy>=1.23.3",
-    "plotly>=5.11.0"
+    "plotly>=5.11.0",
+    "pandas>=1.5.1"
 ]
 
 [project.urls]