diff --git a/.github/workflows/CondaLock.yml b/.github/workflows/CondaLock.yml
index 88e6a3e4..e9e7064d 100644
--- a/.github/workflows/CondaLock.yml
+++ b/.github/workflows/CondaLock.yml
@@ -54,7 +54,7 @@ jobs:
           ../generate-packages-list.py conda-linux-64.lock > packages.txt
 
       - name: Upload lockfiles
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: ${{ matrix.image }}
           path: ${{ matrix.image }}