diff --git a/Gemfile.lock b/Gemfile.lock
index a17b900..e5d0c98 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
+    addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
     base64 (0.1.1)
     crack (0.4.5)
@@ -20,9 +20,9 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     hashdiff (1.0.1)
-    public_suffix (5.0.0)
+    public_suffix (5.0.3)
     rake (13.0.6)
-    rexml (3.2.5)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -45,7 +45,7 @@ GEM
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
     vcr (6.1.0)
-    webmock (3.18.1)
+    webmock (3.19.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)