diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f08f9949c87..c0863dba18f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -699,7 +699,6 @@ jobs:
 
   jruby-package:
     needs: ["rcd_image_version"]
-    name: "jruby-package"
     runs-on: ubuntu-latest
     container:
       image: "ghcr.io/rake-compiler/rake-compiler-dock-image:${{needs.rcd_image_version.outputs.rcd_image_version}}-jruby"
@@ -719,17 +718,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["jruby-9.4"]
+        jruby: ["9.4"]
+        jre: ["8", "11"]
+    name: "jruby-${{matrix.jruby}}-jre${{matrix.jre}}-install"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: true
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: "${{matrix.ruby}}"
       - uses: actions/download-artifact@v3
         with:
           name: jruby-gem
           path: gems
-      - run: ./scripts/test-gem-install gems
+      - run: |
+          docker run --rm -v "$(pwd):/nokogiri" -w /nokogiri \
+            jruby:${{matrix.jruby}}-jre${{matrix.jre}} \
+            ./scripts/test-gem-install gems
diff --git a/lib/nokogiri/jruby/nokogiri_jars.rb b/lib/nokogiri/jruby/nokogiri_jars.rb
index 74f636ea660..c156e5dba6e 100644
--- a/lib/nokogiri/jruby/nokogiri_jars.rb
+++ b/lib/nokogiri/jruby/nokogiri_jars.rb
@@ -6,10 +6,10 @@
   require 'net/sourceforge/htmlunit/neko-htmlunit/2.63.0/neko-htmlunit-2.63.0.jar'
   require 'nu/validator/jing/20200702VNU/jing-20200702VNU.jar'
   require 'xerces/xercesImpl/2.12.2/xercesImpl-2.12.2.jar'
-  require 'org/nokogiri/nekodtd/0.1.11.noko1/nekodtd-0.1.11.noko1.jar'
   require 'net/sf/saxon/Saxon-HE/9.6.0-4/Saxon-HE-9.6.0-4.jar'
   require 'xalan/xalan/2.7.3/xalan-2.7.3.jar'
   require 'xml-apis/xml-apis/1.4.01/xml-apis-1.4.01.jar'
+  require 'org/nokogiri/nekodtd/0.1.11.noko2/nekodtd-0.1.11.noko2.jar'
   require 'isorelax/isorelax/20030108/isorelax-20030108.jar'
 end
 
@@ -18,10 +18,10 @@
   require_jar 'net.sourceforge.htmlunit', 'neko-htmlunit', '2.63.0'
   require_jar 'nu.validator', 'jing', '20200702VNU'
   require_jar 'xerces', 'xercesImpl', '2.12.2'
-  require_jar 'org.nokogiri', 'nekodtd', '0.1.11.noko1'
   require_jar 'net.sf.saxon', 'Saxon-HE', '9.6.0-4'
   require_jar 'xalan', 'xalan', '2.7.3'
   require_jar 'xml-apis', 'xml-apis', '1.4.01'
+  require_jar 'org.nokogiri', 'nekodtd', '0.1.11.noko2'
   require_jar 'isorelax', 'isorelax', '20030108'
 end
 
@@ -32,7 +32,7 @@ module Nokogiri
     "net.sf.saxon:Saxon-HE" => "9.6.0-4",
     "net.sourceforge.htmlunit:neko-htmlunit" => "2.63.0",
     "nu.validator:jing" => "20200702VNU",
-    "org.nokogiri:nekodtd" => "0.1.11.noko1",
+    "org.nokogiri:nekodtd" => "0.1.11.noko2",
     "xalan:serializer" => "2.7.3",
     "xalan:xalan" => "2.7.3",
     "xerces:xercesImpl" => "2.12.2",
diff --git a/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko1/nekodtd-0.1.11.noko1.jar b/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko1/nekodtd-0.1.11.noko1.jar
deleted file mode 100644
index cfa87709d06..00000000000
Binary files a/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko1/nekodtd-0.1.11.noko1.jar and /dev/null differ
diff --git a/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko2/nekodtd-0.1.11.noko2.jar b/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko2/nekodtd-0.1.11.noko2.jar
new file mode 100644
index 00000000000..60c2f29fe0f
Binary files /dev/null and b/lib/nokogiri/jruby/org/nokogiri/nekodtd/0.1.11.noko2/nekodtd-0.1.11.noko2.jar differ
diff --git a/nokogiri.gemspec b/nokogiri.gemspec
index 6a9d2b3ef6a..70e284f1a4b 100644
--- a/nokogiri.gemspec
+++ b/nokogiri.gemspec
@@ -331,7 +331,7 @@ Gem::Specification.new do |spec|
 
     spec.require_paths << "lib/nokogiri/jruby" # where we install the jars, see the :vendor_jars rake task
     spec.requirements << "jar isorelax, isorelax, 20030108" # https://search.maven.org/artifact/isorelax/isorelax
-    spec.requirements << "jar org.nokogiri, nekodtd, 0.1.11.noko1"
+    spec.requirements << "jar org.nokogiri, nekodtd, 0.1.11.noko2"
     spec.requirements << "jar net.sourceforge.htmlunit, neko-htmlunit, 2.63.0"
     spec.requirements << "jar nu.validator, jing, 20200702VNU" # https://search.maven.org/artifact/nu.validator/jing
     spec.requirements << "jar xalan, serializer, 2.7.3" # https://search.maven.org/artifact/xalan/serializer
diff --git a/rakelib/extensions.rake b/rakelib/extensions.rake
index 963eb153819..cde66b2e0ee 100644
--- a/rakelib/extensions.rake
+++ b/rakelib/extensions.rake
@@ -362,6 +362,12 @@ namespace "gem" do
 end
 
 if java?
+  # append to the existing "java" task defined by rake-compiler
+  task "java" do # rubocop:disable Rake/Desc
+    # if we're building the java gem, don't build the vanilla gem (see rakelib/package.rake)
+    Rake::Task["pkg/#{NOKOGIRI_SPEC.full_name}.gem"].clear
+  end
+
   require "rake/javaextensiontask"
   Rake::JavaExtensionTask.new("nokogiri", NOKOGIRI_SPEC.dup) do |ext|
     # Keep the extension C files because they have docstrings (and Java files don't)