diff --git a/pyproject.toml b/pyproject.toml
index 98668e5..c2a0590 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,7 @@ all = [
 ]
 cfr = [
   "pandas<2.3",
-  "polars<1.15",
+  "polars<1.17",
   "pyarrow<18.1",
 ]
 cloud = [
@@ -157,7 +157,7 @@ io = [
   "dask[dataframe]>=2020",
   "fsspec[s3,http]",
   "pandas<2.3,>=1",
-  "polars<1.15",
+  "polars<1.17",
   "sqlalchemy>=2",
   "universal-pathlib<0.3",
 ]