diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 03e6d1777..2dee73887 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
         os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-13, macos-14, macos-15, windows-2022, windows-2025, windows-11-arm ]
         ruby: [
           '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', ruby-head,
-          jruby, jruby-head,
+          jruby-9.4, jruby, jruby-head,
           truffleruby, truffleruby-head,
           truffleruby+graalvm, truffleruby+graalvm-head
         ]
@@ -195,8 +195,7 @@ jobs:
       shell: bash
       run: echo ~ && bundle install
     - name: Windows JRuby
-      # Should be startsWith(matrix.ruby, 'jruby') but broken on jruby-head: https://github.com/jruby/jruby/issues/8623
-      if: startsWith(matrix.os, 'windows') && matrix.ruby == 'jruby'
+      if: startsWith(matrix.os, 'windows') && startsWith(matrix.ruby, 'jruby')
       run: gem install sassc
 
   testDotRubyVersion:
@@ -420,9 +419,6 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-node@v5
-      with:
-        node-version: '24'
     - run: yarn install
     - run: yarn run package
     - name: Check generated files are up to date
diff --git a/action.yml b/action.yml
index d0a61121a..3e052125e 100644
--- a/action.yml
+++ b/action.yml
@@ -49,5 +49,5 @@ outputs:
   ruby-prefix:
     description: 'The prefix of the installed ruby'
 runs:
-  using: 'node24'
+  using: 'node20'
   main: 'dist/index.js'
diff --git a/package.json b/package.json
index 3902a9489..e54417cc3 100644
--- a/package.json
+++ b/package.json
@@ -3,9 +3,6 @@
   "version": "0.1.0",
   "description": "Download a prebuilt Ruby and add it to the PATH in 5 seconds",
   "main": "index.js",
-  "engines": {
-    "node": ">=24.0.0"
-  },
   "license": "MIT",
   "scripts": {
     "package": "ncc build index.js -o dist"