diff --git a/Gemfile.lock b/Gemfile.lock
index cddbeab3..2273c9d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.4)
+    addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     awesome_print (1.9.2)
@@ -146,7 +146,7 @@ GEM
     pry-doc (1.4.0)
       pry (~> 0.11)
       yard (~> 0.9.11)
-    public_suffix (5.0.1)
+    public_suffix (5.0.3)
     racc (1.7.1)
     racc (1.7.1-java)
     rainbow (3.1.1)
@@ -157,7 +157,7 @@ GEM
     rbnacl (7.1.1)
       ffi
     regexp_parser (2.8.1)
-    rexml (3.2.5)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -223,7 +223,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.4.2)
     vcr (6.2.0)
-    webmock (3.18.1)
+    webmock (3.19.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)