diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fdd62da..268e538 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -40,7 +40,7 @@ jobs:
 
       - name: Cache tox environments
         id: cache-tox
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .tox
           # requirements/*.txt and pyproject.toml have versioning info