diff --git a/Rakefile b/Rakefile
index a03d0ea..b1322c8 100644
--- a/Rakefile
+++ b/Rakefile
@@ -9,7 +9,7 @@ begin
     gem.email = "nunemaker@gmail.com"
     gem.homepage = "http://httparty.rubyforge.org"
     gem.authors = ["John Nunemaker", "Sandro Turriate"]
-    gem.add_dependency 'crack', '0.1.5'
+    gem.add_dependency 'crack', '0.1.6'
     gem.add_development_dependency "activesupport", "~>2.3"
     gem.add_development_dependency "cucumber", "~>0.4"
     gem.add_development_dependency "fakeweb", "~>1.2"
diff --git a/lib/httparty.rb b/lib/httparty.rb
index 5523b88..bdfc2dd 100644
--- a/lib/httparty.rb
+++ b/lib/httparty.rb
@@ -3,8 +3,8 @@ require 'net/http'
 require 'net/https'
 require 'crack'
 
-if (Crack::const_defined?(:VERSION)) && Crack::VERSION != "0.1.5"
-  warn "warning: HTTParty depends on version 0.1.5 of crack, not #{Crack::VERSION}."
+if Crack::VERSION != "0.1.6"
+  warn "warning: HTTParty depends on version 0.1.6 of crack, not #{Crack::VERSION}."
 end
 
 dir = Pathname(__FILE__).dirname.expand_path