diff --git a/.ci/conda-envs/ci-core-py38.txt b/.ci/conda-envs/ci-core-py38.txt index c1ad738c46c8..4b5dc467c982 100644 --- a/.ci/conda-envs/ci-core-py38.txt +++ b/.ci/conda-envs/ci-core-py38.txt @@ -39,6 +39,10 @@ pytest=8.2.* # pinned here to help speed up solves bokeh=3.1.* fsspec=2024.5.* +# pinning 'libabseil' and 'libre2' to specific build numbers for pyarrow compatibility: +# ref: https://github.com/microsoft/LightGBM/issues/6772 +libabseil=20240722.0=*_1 +libre2-11=2024.07.02=*_1 msgpack-python=1.0.* pluggy=1.5.* pyparsing=3.1.4