diff --git a/requirements.txt b/requirements.txt
index a105f1e4d..09504150e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ uWSGI>=2.0.17
 wheel
 geopandas
 rasterio==1.3.4
-pystac==0.5.6
+pystac==1.7.3
 PyJWT
 werkzeug==2.0.3
 # required for running i.sentinel.download from GCS: