diff --git a/lib/time_difference.rb b/lib/time_difference.rb
index 589e202..b9afe95 100644
--- a/lib/time_difference.rb
+++ b/lib/time_difference.rb
@@ -45,9 +45,9 @@ def in_each_component
     end]
   end
 
-  def in_general
+  def in_general(precision: :seconds)
     remaining = @time_diff
-    Hash[TIME_COMPONENTS.map do |time_component|
+    Hash[TIME_COMPONENTS[0..TIME_COMPONENTS.index(precision)].map do |time_component|
       if remaining > 0
         rounded_time_component = (remaining / 1.send(time_component).seconds).round(2).floor
         remaining -= rounded_time_component.send(time_component)
@@ -58,9 +58,10 @@ def in_general
     end]
   end
 
-  def humanize
+  def humanize(precision: :seconds)
     diff_parts = []
-    in_general.each do |part,quantity|
+
+    in_general(precision: precision).each do |part,quantity|
       next if quantity <= 0
       part = part.to_s.humanize
 
diff --git a/time_difference.gemspec b/time_difference.gemspec
index 5ece9c4..f0f6551 100644
--- a/time_difference.gemspec
+++ b/time_difference.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |gem|
   gem.version       = "0.7.0"
   gem.license = 'MIT'
 
-  gem.add_runtime_dependency('activesupport', '~> 5.1')
+  gem.add_runtime_dependency('activesupport')
   gem.add_development_dependency('rspec', '~> 3.7.0')
   gem.add_development_dependency('rake')