diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index c94e0a9..34712c1 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -10,8 +10,8 @@ jobs:
         id: restore-cache
         uses: actions/cache@v3
         with:
-          path: /opt/acttoolcache/
-          key: marp-installation
+          path: /opt/
+          key: marp-renderer
       - name: checkout
         uses: actions/checkout@v4
       - name: install marp toolchain
@@ -23,13 +23,13 @@ jobs:
         if: steps.restore-cache.outputs.cache-hit != 'true'
         uses: actions/cache/save@v3
         with:
-          path: /opt/acttoolcache
-          key: marp-installation
+          path: /opt/
+          key: marp-renderer
       - name: build presentation
         working-directory: ./presentation
         run: |
           marp presentation.md --html -o index.html --theme-set ./themes -- && \
-          marp presentation.md --html --browser chrome --allow-local-files -o presentation.pdf --theme-set ./themes -- && \
+          marp presentation.md --html --browser-path "/opt/google/chrome/google-chrome" --allow-local-files -o presentation.pdf --theme-set ./themes -- && \
           zip -r ../presentation.zip .
       - name: upload to pages
         run: |