diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ee6e05f..fb66d05 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -65,7 +65,7 @@ jobs:
         run: rustup show
       - uses: mozilla-actions/sccache-action@v0.0.6
       - run: make venv
-      - run: .venv/bin/python -m pip install polars==1.3.0  # min version
+      - run: .venv/bin/python -m pip install polars==1.5.0  # min version
       - run: make install
       - run: make test