diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 1827256f..9347169a 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -13,10 +13,6 @@ jobs:
       contents: write
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
-    env:
-      REACT_APP_DOC_SEARCH_APP_ID: ${{ secrets.DOC_SEARCH_APP_ID }}
-      REACT_APP_DOC_SEARCH_INDEX_NAME: ${{ secrets.DOC_SEARCH_INDEX_NAME }}
-      
     steps:
       - name: Checkout
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
@@ -30,7 +26,10 @@ jobs:
         run: npm ci
 
       - name: Build website
-        run: npm run build
+        run: |
+          export REACT_APP_DOC_SEARCH_APP_ID=${{ secrets.DOC_SEARCH_APP_ID }}
+          export REACT_APP_DOC_SEARCH_INDEX_NAME=${{ secrets.DOC_SEARCH_INDEX_NAME }}
+          npm run build
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0