diff --git a/manuscript/Gemfile.lock b/manuscript/Gemfile.lock
index ac8ee0e..8eaf3e3 100644
--- a/manuscript/Gemfile.lock
+++ b/manuscript/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     colorize (0.8.1)
     concurrent-ruby (1.1.6)
     ethon (0.12.0)
@@ -30,7 +30,7 @@ GEM
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)