diff --git a/setup.py b/setup.py
index 3736af0..c7ec8ba 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
     "buildpg",
     "brotli_asgi",
     "pygeofilter>=0.2",
-    "pypgstac==0.8.*",
+    "pypgstac>=0.8,<0.10",
 ]
 
 extra_reqs = {