diff --git a/ci/requirements/environment.yaml b/ci/requirements/environment.yaml
index a114cf4..9ab4037 100644
--- a/ci/requirements/environment.yaml
+++ b/ci/requirements/environment.yaml
@@ -26,3 +26,4 @@ dependencies:
   - geopandas
   - lxml
   - rioxarray
+  - xarray-safe-s1