diff --git a/py-polars/tests/unit/test_polars_import.py b/py-polars/tests/unit/test_polars_import.py
index a0081b02a2e5..ed9bad5a4a7a 100644
--- a/py-polars/tests/unit/test_polars_import.py
+++ b/py-polars/tests/unit/test_polars_import.py
@@ -10,10 +10,10 @@
 import polars as pl
 from polars import selectors as cs
 
-# set a maximum cutoff at 0.25 secs; note that we are typically much faster
+# set a maximum cutoff at 0.3 secs; note that we are typically much faster
 # than this (more like ~0.07 secs, depending on hardware), but we allow a
 # margin of error to account for frequent noise from slow/contended CI.
-MAX_ALLOWED_IMPORT_TIME = 250_000  # << microseconds
+MAX_ALLOWED_IMPORT_TIME = 300_000  # << microseconds
 
 
 def _import_time_from_frame(tm: pl.DataFrame) -> int: