diff --git a/data_preprocessing/requirements.txt b/data_preprocessing/requirements.txt
index c571607..08df738 100644
--- a/data_preprocessing/requirements.txt
+++ b/data_preprocessing/requirements.txt
@@ -3,6 +3,6 @@ pandas==0.23.1
 geopy==1.18.1
 dash_html_components==1.0.0
 psycopg2==2.8.3
-dash==1.0.0
+dash==2.15.0
 dash_core_components==1.0.0
 plotly==3.10.0