Gemfile.lock in paynow_sdk-0.1.8 vs Gemfile.lock in paynow_sdk-0.1.9

@@ -1,15 +1,20 @@
 PATH
   remote: .
   specs:
-    paynow_sdk (0.1.8)
+    paynow_sdk (0.1.9)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ansi (1.5.0)
     builder (3.2.4)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
+    http-accept (1.7.0)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
     httparty (0.18.1)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
@@ -19,20 +24,30 @@
       ansi
       builder
       minitest (>= 5.0)
       ruby-progressbar
     multi_xml (0.6.0)
+    netrc (0.11.0)
     rake (12.3.3)
+    rest-client (2.1.0)
+      http-accept (>= 1.7.0, < 2.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 4.0)
+      netrc (~> 0.8)
     ruby-progressbar (1.10.1)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   httparty
   minitest (~> 5.0)
   minitest-reporters (~> 1.4, >= 1.4.2)
   paynow_sdk!
   rake (~> 12.0)
+  rest-client (~> 2.1)
 
 BUNDLED WITH
    2.1.4