diff --git a/scripts/install b/scripts/install
index 4cffbb1..444a511 100755
--- a/scripts/install
+++ b/scripts/install
@@ -55,6 +55,9 @@ pushd $install_dir
 
 	ynh_script_progression --message="Building Yarn dev dependencies... This can be very long, be patient !" --weight=25
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn run build
+	
+	ynh_script_progression --message="Cleaning cache... " --weight=3
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean 2>&1
 
 popd