diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 6db2589..4a6fdeb 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -23,6 +23,9 @@ jobs:
           registry: git.yoshino-s.xyz
           username: ${{ gitea.repository_owner }}
           password: ${{ secrets.PACKAGES_PASSWORD }}
+      - name: Replace tag
+        run: |
+          sed -i "s/latest/${{ gitea.event.inputs.tag }}/g" Dockerfile
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with: