diff --git a/Gemfile.lock b/Gemfile.lock
index 8cac584..d40e26c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,8 +56,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.1, >= 2.1.8)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     bindex (0.8.1)
     bootsnap (1.4.4)
       msgpack (~> 1.0)
@@ -85,7 +85,7 @@ GEM
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-    libv8 (6.7.288.46.1-x86_64-linux)
+    libv8 (6.7.288.46.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -109,7 +109,7 @@ GEM
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
-    public_suffix (3.1.1)
+    public_suffix (4.0.6)
     puma (3.12.1)
     rack (2.0.7)
     rack-proxy (0.6.5)