diff --git a/.ci/docker/gren/Dockerfile b/.ci/docker/gren/Dockerfile
index d65396b..b359c0c 100644
--- a/.ci/docker/gren/Dockerfile
+++ b/.ci/docker/gren/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:14.5.0-stretch-slim
+FROM node:20-bullseye-slim
 
 RUN apt-get update -qq -y \
   && apt-get install -qq -y --no-install-recommends git \
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 239f754..6c02e9f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,6 +16,7 @@ jobs:
       - test
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: release
         run: make -f .ci/Makefile release
         env: