diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 1f2f421f..474631cc 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-          - 'jruby-9.4.3.0'
+          - 'jruby-9.4.10.0'
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby
@@ -34,7 +34,7 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-          - 'jruby-9.4.3.0'
+          - 'jruby-9.4.10.0'
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby
diff --git a/Gemfile b/Gemfile
index 122d6b58..0313b80d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,11 +3,11 @@ source ENV['GEM_SOURCE'] || 'https://rubygems.org'
 gemspec
 
 # Evaluate Gemfile.local if it exists
-if File.exists? "#{__FILE__}.local"
+if File.exist? "#{__FILE__}.local"
   instance_eval(File.read("#{__FILE__}.local"))
 end
 
 # Evaluate ~/.gemfile if it exists
-if File.exists?(File.join(Dir.home, '.gemfile'))
+if File.exist?(File.join(Dir.home, '.gemfile'))
   instance_eval(File.read(File.join(Dir.home, '.gemfile')))
 end