diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 8f95264b9e..197b962889 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -45,7 +45,7 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: '3.11'
-      - run: python -m pip install isort
+      - run: python -m pip install "isort<6"
       - name: isort
         # Pinned to v2.0.0.
         uses: liskin/gh-problem-matcher-wrap@d8afa2cfb66dd3f982b1950429e652bc14d0d7d2