diff --git a/lib/maven/ruby/version.rb b/lib/maven/ruby/version.rb
index f88c13a..f78e073 100644
--- a/lib/maven/ruby/version.rb
+++ b/lib/maven/ruby/version.rb
@@ -1,6 +1,6 @@
 module Maven
   module Ruby
-    VERSION = '3.9.14'.freeze
+    VERSION = '3.9.0'.freeze
     POLYGLOT_VERSION = "0.7.1".freeze
   end
 end
diff --git a/lib/extensions/.keep b/lib/polyglot_jars/.keep
similarity index 100%
rename from lib/extensions/.keep
rename to lib/polyglot_jars/.keep
diff --git a/lib/ruby_maven.rb b/lib/ruby_maven.rb
index 66ba27c..522a5c8 100644
--- a/lib/ruby_maven.rb
+++ b/lib/ruby_maven.rb
@@ -69,7 +69,7 @@ def self.launch( *args )
     ENV['M2_HOME'] = Maven.home
     ext_dir = File.join(Maven.lib, 'ext')
     FileUtils.mkdir_p(ext_dir)
-    local_dir = File.join(__dir__, 'extensions')
+    local_dir = File.join(__dir__, 'polyglot_jars')
     Dir.new(local_dir).select do |file|
       file =~ /.*\.jar$/
     end.each do |jar|
diff --git a/ruby-maven.gemspec b/ruby-maven.gemspec
index bbf1c18..0b7c86c 100644
--- a/ruby-maven.gemspec
+++ b/ruby-maven.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
 
   s.rdoc_options = ["--main", "README.md"]
 
-  s.add_dependency 'ruby-maven-libs', "~> 3.9.6"
+  s.add_dependency 'ruby-maven-libs', "~> 3.9.9"
   s.add_development_dependency 'minitest', '~> 5.3'
   s.add_development_dependency 'rake', '~> 12.3'
 end
diff --git a/spec/ruby_maven_spec.rb b/spec/ruby_maven_spec.rb
index 9b3fc22..8a79ed5 100644
--- a/spec/ruby_maven_spec.rb
+++ b/spec/ruby_maven_spec.rb
@@ -10,7 +10,7 @@
       _, err = capture_io do
         RubyMaven.exec( '--version' )
       end
-      _(err).must_match /Polyglot Maven Extension 0.4.8/
+      _(err).must_match /Polyglot Maven Extension 0.7/
       xml = File.read('.mvn/extensions.xml')
       _(xml).must_equal "dummy\n"
     end
@@ -30,8 +30,6 @@
     end
     _(out).must_match /mvn -Dverbose package/
     _(File.exist?( gem_name )).must_equal true
-    _(File.exist?( '.mvn/extensions.xml' )).must_equal true
-    _(File.exist?( '.mvn/extensions.xml.orig' )).wont_equal true
   end
   
 end