diff --git a/.github/workflows/build-sphinx.yml b/.github/workflows/build-sphinx.yml
index 403d0a0..b1aa6f5 100644
--- a/.github/workflows/build-sphinx.yml
+++ b/.github/workflows/build-sphinx.yml
@@ -38,7 +38,7 @@ jobs:
         run: echo "::set-output name=dir::$(pip cache dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}