diff --git a/.github/workflows/build-toolchain.yml b/.github/workflows/build-toolchain.yml
index 7440298..fdbf23c 100644
--- a/.github/workflows/build-toolchain.yml
+++ b/.github/workflows/build-toolchain.yml
@@ -161,7 +161,7 @@ jobs:
         run: rm -f /usr/local/lib/pkgconfig/libzstd.pc /usr/local/include/zstd.h
 
       # release-5.9 requires 3.11 or lower Python
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         if: ${{ startsWith(matrix.build_os, 'macos-') && (matrix.scheme == 'release-5.9' || matrix.scheme == 'release-5.10') && (matrix.agent_query == 'macos-13' || matrix.agent_query == 'macos-14') }}
         with:
           python-version: '3.11'