diff --git a/apps/dash-datashader/requirements.txt b/apps/dash-datashader/requirements.txt
index 87a8c453a..37d7d43cd 100644
--- a/apps/dash-datashader/requirements.txt
+++ b/apps/dash-datashader/requirements.txt
@@ -5,3 +5,4 @@ datashader>=0.6.9
 gunicorn>=19.9.0
 numpy>=1.14.1
 pandas>=0.24.0
+fsspec>=0.3.3