Use method reference
diff --git a/lib/buildr/java/tests.rb b/lib/buildr/java/tests.rb
index 68dda34..2cb9ee5 100644
--- a/lib/buildr/java/tests.rb
+++ b/lib/buildr/java/tests.rb
@@ -376,7 +376,7 @@
     def dependencies #:nodoc:
       unless @dependencies
         @dependencies = TestFramework::Java.dependencies
-        @dependencies += @frameworks.map { |f| f.dependencies }.flatten
+        @dependencies += @frameworks.map(&:dependencies).flatten
       end
       @dependencies
     end