diff --git a/pyproject.toml b/pyproject.toml
index 7cdca0c..10b1eb2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ dynamic = ["version"]
 dependencies = [
     'boto3',
     'fastremap',
+    'google-cloud-storage',
     'more_itertools',
     'networkx',
     'plotly',