diff --git a/backend/czi_hosted/requirements.txt b/backend/czi_hosted/requirements.txt
index 4f59451c..b8c20e94 100644
--- a/backend/czi_hosted/requirements.txt
+++ b/backend/czi_hosted/requirements.txt
@@ -20,7 +20,7 @@ pandas>=1.0,!=1.1  # pandas 1.1 breaks tests, https://github.com/pandas-dev/pand
 PyYAML>=5.3
 scipy>=1.0
 requests>=2.22.0
-tiledb>=0.5.9,>=0.6.2,!=0.7.2
+tiledb>=0.5.9,>=0.6.2,!=0.7.2, !=0.8.6
 s3fs==0.4.2
 scanpy==1.4.6 # Until we move to anndata 0.7.4 scanpy needs to be pinned here
 sqlalchemy>=1.3.18