Rakefile in bcrypt-ruby-2.1.0 vs Rakefile in bcrypt-ruby-2.1.1

@@ -5,11 +5,11 @@
 require 'rake/clean'
 require 'rake/rdoctask'
 require "benchmark"
 
 PKG_NAME = "bcrypt-ruby"
-PKG_VERSION   = "2.1.0"
+PKG_VERSION   = "2.1.1"
 PKG_FILE_NAME = "#{PKG_NAME}-#{PKG_VERSION}"
 PKG_FILES = FileList[
   '[A-Z]*',
   'lib/**/*.rb', 
   'spec/**/*.rb', 
@@ -110,10 +110,10 @@
   end
   
   desc "Clean, then compile the JRuby extension"
   task :jruby => :clean do
     Dir.chdir('ext/jruby/bcrypt_jruby') do
-      sh "javac BCrypt.java"
+      sh "javac -source 1.4 -target 1.4 BCrypt.java"
     end
   end
 end
 
 desc "Run a set of benchmarks on the compiled extension."