diff --git a/requirements.txt b/requirements.txt
index b08f485..a6ff4a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,5 @@ spaceweather>=0.2.4
 atmosphericRadiationDoseAndFlux >= 1.0.3
 kpindex >= 2.0.0
 ipywidgets >= 8.1.5
+dask >= 2025.1.0