diff --git a/install_dependencies.sh b/install_dependencies.sh
index 2059892..9e6a1ba 100755
--- a/install_dependencies.sh
+++ b/install_dependencies.sh
@@ -110,7 +110,7 @@ wget https://momentjs.com/downloads/moment.js -O ./static/js/moment.js
 
 # timeline
 VISJS_VERSION="4.21.0"
-wget https://cdnjs.cloudflare.com/ajax/libs/vis/${VISJS_VERSION}/vis.min.js ./static/js/vis.min.js
-wget https://cdnjs.cloudflare.com/ajax/libs/vis/${VISJS_VERSION}/vis.min.css ./static/css/vis.min.css
+wget https://cdnjs.cloudflare.com/ajax/libs/vis/${VISJS_VERSION}/vis.min.js -O ./static/js/vis.min.js
+wget https://cdnjs.cloudflare.com/ajax/libs/vis/${VISJS_VERSION}/vis.min.css -O ./static/css/vis.min.css
 
 rm -rf ./temp