diff --git a/pyproject.toml b/pyproject.toml
index 466cbd7c..074bb16a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -90,7 +90,7 @@ benchmarks = [
     "scipy==1.17.1",
     "xarray==2026.4.0",
     "pandas==3.0.3",
-    "polars==1.41.2",
+    "polars==1.42.1",
     "dask==2026.6.0",
     "pytest==9.1.1",
     "pytest-benchmark==5.2.3",