diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a7f5f51..37fea25 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,13 +9,13 @@ jobs:
     name: Deploy base image
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Get the version
         id: get_version
         run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\//}
         shell: bash
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/Dockerfile b/Dockerfile
index ac43e31..21e1c86 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM debian:buster
 
 LABEL org.opencontainers.image.description="Docker image to create Mu Editor AppImage builds."
 LABEL org.opencontainers.image.source="https://github.com/mu-editor/docker-mu-appimage"