diff --git a/pyproject.toml b/pyproject.toml
index 52b451e8..e3b3c5f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "rich >= 13.7.1",
     "zeep >= 4.2.1",
     "pandas >= 2.2.2",
-    "polars >= 0.20.25",
+    "polars-lts-cpu >= 0.20.25",
     "setuptools"
 ]