rasti-db.gemspec in rasti-db-1.4.0 vs rasti-db.gemspec in rasti-db-1.5.0

@@ -22,12 +22,14 @@
   spec.add_runtime_dependency 'treetop', '~> 1.4.8'
   spec.add_runtime_dependency 'consty', '~> 1.0', '>= 1.0.3'
   spec.add_runtime_dependency 'timing', '~> 0.1', '>= 0.1.3'
   spec.add_runtime_dependency 'class_config', '~> 0.0', '>= 0.0.2'
   spec.add_runtime_dependency 'multi_require', '~> 1.0'
+  spec.add_runtime_dependency 'hierarchical_graph', '~> 1.0'
+  spec.add_runtime_dependency 'hash_ext', '~> 0.5'
 
-  spec.add_development_dependency 'rake', '~> 11.0'
+  spec.add_development_dependency 'rake', '~> 12.3'
   spec.add_development_dependency 'minitest', '~> 5.0', '< 5.11'
   spec.add_development_dependency 'minitest-colorin', '~> 0.1'
   spec.add_development_dependency 'minitest-line', '~> 0.6'
   spec.add_development_dependency 'simplecov', '~> 0.12'
   spec.add_development_dependency 'coveralls', '~> 0.8'
@@ -35,13 +37,7 @@
 
   if RUBY_ENGINE == 'jruby'
     spec.add_development_dependency 'jdbc-sqlite3', '~> 3.8'
   else
     spec.add_development_dependency 'sqlite3', '~> 1.3'
-  end
-
-  if RUBY_VERSION < '2'
-    spec.add_development_dependency 'term-ansicolor', '~> 1.3.0'
-    spec.add_development_dependency 'tins', '~> 1.6.0'
-    spec.add_development_dependency 'json', '~> 1.8'
   end
 end