diff --git a/Gemfile.lock b/Gemfile.lock
index b93ca15..7f1a65b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,8 +12,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     better_html (1.0.16)
       actionview (>= 4.0)
@@ -160,7 +160,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     racc (1.6.0)
     rack (2.2.3)
     rails-dom-testing (2.0.3)
@@ -252,7 +252,7 @@ GEM
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.1.0)
-    webmock (3.14.0)
+    webmock (3.18.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)