diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index eec2515b..eca01570 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,7 +30,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
-          - "jruby-9.3.10" # oldest supported jruby
+          - "jruby-9.3.15"
           - "jruby"
         include: # HEAD-versions
           - ruby-version: "head"
@@ -47,12 +47,7 @@ jobs:
         with:
           rubygems: latest
           ruby-version: ${{ matrix.ruby-version }}
-          bundler-cache: ${{ !startsWith(matrix.ruby-version, 'jruby') }}
-      - name: Bundler install (JRuby workaround)
-        if: ${{ startsWith(matrix.ruby-version, 'jruby') }}
-        run: |
-          gem install psych
-          bundle install
+          bundler-cache: true
       - name: Run tests
         run: bundle exec rspec
 
diff --git a/Gemfile b/Gemfile
index 2c02c1ec..01cdd86d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,5 +4,7 @@ source "https://rubygems.org"
 
 gemspec
 
-# https://github.com/ruby/psych/issues/655
-gem "psych", "!= 5.1.1", platforms: %i[jruby]
+# Affects us on JRuby 9.3.15.
+#
+# @see https://github.com/rails/rails/issues/54260
+gem "logger"
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 4b932571..3eb4bad4 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -18,6 +18,9 @@
   end
 end
 
+# @see https://github.com/rails/rails/issues/54260
+require "logger" if RUBY_ENGINE == "jruby" && RUBY_ENGINE_VERSION.start_with?("9.3")
+
 require "pundit"
 require "pundit/rspec"
 require "active_model/naming"
diff --git a/spec/support/lib/controller.rb b/spec/support/lib/controller.rb
index 8715ecf1..8dd68c8a 100644
--- a/spec/support/lib/controller.rb
+++ b/spec/support/lib/controller.rb
@@ -28,9 +28,7 @@ def #{method}(*args, **kwargs, &block)
 
   include Pundit::Authorization
   # Mark protected methods public so they may be called in test
-  # rubocop:disable Style/AccessModifierDeclarations
   public(*Pundit::Authorization.protected_instance_methods)
-  # rubocop:enable Style/AccessModifierDeclarations
 
   def initialize(current_user, action_name, params)
     @current_user = current_user