diff --git a/.github/workflows/phylogenetic.yaml b/.github/workflows/phylogenetic.yaml
index e5b7684..85f3f9f 100644
--- a/.github/workflows/phylogenetic.yaml
+++ b/.github/workflows/phylogenetic.yaml
@@ -80,7 +80,7 @@ jobs:
 
       - name: Check cache
         id: check-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ingest-output-sha256sum
           key: ingest-output-sha256sum-${{ hashFiles('ingest-output-sha256sum') }}