diff --git a/requirements/classes/neur1630/requirements.pip.txt b/requirements/classes/neur1630/requirements.pip.txt
index f3a6f05..e920aea 100644
--- a/requirements/classes/neur1630/requirements.pip.txt
+++ b/requirements/classes/neur1630/requirements.pip.txt
@@ -13,4 +13,5 @@ rastermap
 zenodo-get
 cellxgene-census
 ONE-api
-#git+https://github.com/alleninstitute/abc_atlas_access.git
+git+https://github.com/alleninstitute/abc_atlas_access.git
+PyYAML>=6.0.0