diff --git a/Gemfile b/Gemfile
index 0334463..1d1e8e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
 source "http://rubygems.org"
 
 gemspec
-gem "rake"
+gem "rake"
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index e6c33b5..8557767 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,14 +3,16 @@ PATH
   specs:
     efax (1.4.2)
       builder (~> 3.0.0)
-      hpricot (~> 0.8.1)
+      nokogiri (~> 1.6)
 
 GEM
   remote: http://rubygems.org/
   specs:
-    builder (3.0.0)
-    hpricot (0.8.6)
+    builder (3.0.4)
+    mini_portile2 (2.0.0)
     mocha (0.9.12)
+    nokogiri (1.6.7.2)
+      mini_portile2 (~> 2.0.0.rc2)
     rake (0.9.2)
     test-unit (2.3.2)
 
@@ -22,3 +24,6 @@ DEPENDENCIES
   mocha (~> 0.9.12)
   rake
   test-unit (~> 2.3.2)
+
+BUNDLED WITH
+   1.10.6
diff --git a/efax.gemspec b/efax.gemspec
index 82f8e72..44ec53d 100644
--- a/efax.gemspec
+++ b/efax.gemspec
@@ -15,8 +15,8 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.version       = EFax::VERSION
 
-  gem.add_runtime_dependency "builder", "~> 3.0.0"
-  gem.add_runtime_dependency "hpricot", "~> 0.8.1"
+  gem.add_runtime_dependency "builder", "~> 3.1"
+  gem.add_runtime_dependency "nokogiri", "~> 1.6"
 
   gem.add_development_dependency "test-unit", "~> 2.3.2"
   gem.add_development_dependency "mocha", "~> 0.9.12"
diff --git a/lib/efax/inbound.rb b/lib/efax/inbound.rb
index 5f23d93..1ba106d 100644
--- a/lib/efax/inbound.rb
+++ b/lib/efax/inbound.rb
@@ -1,4 +1,4 @@
-require 'hpricot'
+require 'nokogiri'
 require 'base64'
 require 'tempfile'
 require 'date'
@@ -27,21 +27,21 @@ class InboundPostRequest
     alias_method :sender_fax_number, :ani
 
     def initialize(xml)
-      doc            = Hpricot(xml)
-      @encoded_file_contents = doc.at(:filecontents).inner_text
-      @file_type     = doc.at(:filetype).inner_text.to_sym
-      @ani           = doc.at(:ani).inner_text
-      @account_id    = doc.at(:accountid).inner_text
-      @fax_name      = doc.at(:faxname).inner_text
-      @csid          = doc.at(:csid).inner_text
-      @status        = doc.at(:status).inner_text.to_i
-      @mcfid         = doc.at(:mcfid).inner_text.to_i
-      @page_count    = doc.at(:pagecount).inner_text.to_i
-      @request_type  = doc.at(:requesttype).inner_text
-      @date_received = datetime_to_time(DateTime.strptime("#{doc.at(:datereceived).inner_text} -08:00", "%m/%d/%Y %H:%M:%S %z"))
-      @request_date  = datetime_to_time(DateTime.strptime("#{doc.at(:requestdate).inner_text} -08:00", "%m/%d/%Y %H:%M:%S %z"))
-      @barcodes      = doc.search("//barcode/key").map { |key| key.inner_html }
-      @barcode_pages = doc.search("//barcode/AdditionalInfo/CodeLocation/PageNumber").map { |key| key.inner_html }
+      doc            = Nokogiri::XML(xml)
+      @encoded_file_contents = doc.at(:FileContents).inner_text
+      @file_type     = doc.at(:FileType).inner_text.to_sym
+      @ani           = doc.at(:ANI).inner_text
+      @account_id    = doc.at(:AccountID).inner_text
+      @fax_name      = doc.at(:FaxName).inner_text
+      @csid          = doc.at(:CSID).inner_text
+      @status        = doc.at(:Status).inner_text.to_i
+      @mcfid         = doc.at(:MCFID).inner_text.to_i
+      @page_count    = doc.at(:PageCount).inner_text.to_i
+      @request_type  = doc.at(:RequestType).inner_text
+      @date_received = datetime_to_time(DateTime.strptime("#{doc.at(:DateReceived).inner_text} -08:00", "%m/%d/%Y %H:%M:%S %z"))
+      @request_date  = datetime_to_time(DateTime.strptime("#{doc.at(:RequestDate).inner_text} -08:00", "%m/%d/%Y %H:%M:%S %z"))
+      @barcodes      = doc.xpath("//Barcode/Key").map { |key| key.inner_html }
+      @barcode_pages = doc.xpath("//Barcode/AdditionalInfo/CodeLocation/PageNumber").map { |key| key.inner_html }
     end
 
     def file_contents
diff --git a/lib/efax/outbound.rb b/lib/efax/outbound.rb
index cd52e2c..fe4b218 100644
--- a/lib/efax/outbound.rb
+++ b/lib/efax/outbound.rb
@@ -1,7 +1,7 @@
 require 'net/http'
 require 'net/https'
 require 'builder'
-require 'hpricot'
+require 'nokogiri'
 require 'base64'
 
 module Net #:nodoc:
@@ -118,13 +118,13 @@ class OutboundResponse
 
     def initialize(response)  #:nodoc:
       if response.is_a? Net::HTTPOK
-        doc = Hpricot(response.body)
-        @status_code = doc.at(:statuscode).inner_text.to_i
-        @error_message = doc.at(:errormessage)
+        doc = Nokogiri::XML(response.body)
+        @status_code = doc.at(:StatusCode).inner_text.to_i
+        @error_message = doc.at(:ErrorMessage)
         @error_message = @error_message.inner_text if @error_message
-        @error_level = doc.at(:errorlevel)
+        @error_level = doc.at(:ErrorLevel)
         @error_level = @error_level.inner_text if @error_level
-        @doc_id = doc.at(:docid).inner_text
+        @doc_id = doc.at(:DOCID).inner_text
         @doc_id = @doc_id.empty? ? nil : @doc_id
       else
         @status_code = RequestStatus::HTTP_FAILURE
@@ -178,10 +178,10 @@ class OutboundStatusResponse
 
     def initialize(response) #:nodoc:
       if response.is_a? Net::HTTPOK
-        doc = Hpricot(response.body)
-        @message = doc.at(:message).innerText
-        @classification = doc.at(:classification).innerText.delete('"')
-        @outcome = doc.at(:outcome).innerText.delete('"')
+        doc = Nokogiri::XML(response.body)
+        @message = doc.at(:Message).inner_text
+        @classification = doc.at(:Classification).inner_text.delete('"')
+        @outcome = doc.at(:Outcome).inner_text.delete('"')
         if !sent_yet?(classification, outcome) || busy_signal?(classification)
           @status_code = QueryStatus::PENDING
         elsif @classification == "Success" && @outcome == "Success"