diff --git a/.github/workflows/frontend-admin-tests.yml b/.github/workflows/frontend-admin-tests.yml
index f49a2460e..5f39bdb9d 100644
--- a/.github/workflows/frontend-admin-tests.yml
+++ b/.github/workflows/frontend-admin-tests.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [19, 20]
+        node: [1.0.3, canary]
 
     steps:
       -
@@ -31,7 +31,7 @@ jobs:
       -
         uses: oven-sh/setup-bun@v1
         with:
-          bun-version: latest
+          bun-version: ${{ matrix.node }}
       -
         name: Install etherpad plugins
         # We intentionally install an old ep_align version to test upgrades to
diff --git a/.github/workflows/load-test.yml b/.github/workflows/load-test.yml
index 6633a76ef..7ab13ba57 100644
--- a/.github/workflows/load-test.yml
+++ b/.github/workflows/load-test.yml
@@ -57,7 +57,7 @@ jobs:
         # The --legacy-peer-deps flag is required to work around a bug in npm v7:
         # https://github.com/npm/cli/issues/2199
         run: >
-          bun install --no-save --legacy-peer-deps
+          cd src && bun install --no-save --legacy-peer-deps
           ep_align
           ep_author_hover
           ep_cursortrace
diff --git a/Dockerfile b/Dockerfile
index c28d94c93..7ff1eea0a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 #
 # Author: muxator
 
-FROM oven/bun:latest
+FROM oven/bun:alpine
 LABEL maintainer="Etherpad team, https://github.com/ether/etherpad-lite"
 
 ARG TIMEZONE=
diff --git a/src/static/js/pluginfw/plugins.js b/src/static/js/pluginfw/plugins.js
index e7ac500c3..099662285 100644
--- a/src/static/js/pluginfw/plugins.js
+++ b/src/static/js/pluginfw/plugins.js
@@ -111,7 +111,7 @@ exports.getPackages = async () => {
   //   * The `--no-production` flag is required (or the `NODE_ENV` environment variable must be
   //     unset or set to `development`) because otherwise `npm ls` will not mention any packages
   //     that are not included in `package.json` (which is expected to not exist).
-  const cmd = ['npm', 'ls', '--long', '--json', '--depth=0', '--no-production'];
+  const cmd = ['bun', 'ls', '--long', '--json', '--depth=0', '--no-production'];
   const {dependencies = {}} = JSON.parse(await runCmd(cmd, {stdio: [null, 'string']}));
   await Promise.all(Object.entries(dependencies).map(async ([pkg, info]) => {
     if (!pkg.startsWith(exports.prefix)) {