diff --git a/pyproject.toml b/pyproject.toml
index 0930bbfc..24d8c02e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,8 @@ dependencies = [
     "scikit-image",
     "matplotlib>=3.9.0",
     "numpy",
-    "xarray",
+    # temporary pin for xarray#10851
+    "xarray<=2025.9.0",
     "pytorch-metric-learning>2.0.0"]
 dynamic = ["version"]