diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 4037cdb..3f6d505 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -26,8 +26,8 @@ jobs:
           key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
           restore-keys: |
             ${{ runner.os }}-pnpm-
-      - name: npm install
-        run: npm install
+      - name: pnpm install
+        run: pnpm install --prefer-offline --frozen-lockfile
       - uses: actions/cache/save@v3
         name: save pnpm cache
         if: steps.pnpm-cache.outputs.cache-hit != 'true'