diff --git a/pyproject.toml b/pyproject.toml
index 621a2d6d..50d71538 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "numexpr",
     "xarray>=2024.2.0",
     "dask>=0.18.0",
-    "polars>=1.31",
+    "polars>=1.31.1",
     "tqdm",
     "deprecation",
     "packaging",