diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 5ee85f51..8c207591 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -62,10 +62,10 @@ jobs:
           path: |
             .next/cache
           # Generate a new cache whenever packages or source files change.
-          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/pnpm-lock.yaml') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
           # If source files changed but packages didn't, rebuild from a prior cache.
           restore-keys: |
-            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
+            ${{ runner.os }}-nextjs-${{ hashFiles('**/pnpm-lock.yaml') }}-
       - name: Build with Next.js
         env:
           NEXT_PUBLIC_GA_ID: ${{ secrets.NEXT_PUBLIC_GA_ID }}