diff --git a/Gemfile.lock b/Gemfile.lock
index 6aac498..367ed5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,8 +38,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (8.0.0)
     aruba (0.14.11)
       childprocess (>= 0.6.3, < 3.0.0)
@@ -180,7 +180,7 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     parallel (1.17.0)
-    parser (2.6.3.0)
+    parser (2.6.4.0)
       ast (~> 2.4.0)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
@@ -194,7 +194,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (3.1.1)
+    public_suffix (4.0.1)
     puma (4.1.0)
       nio4r (~> 2.0)
     rack (2.0.7)