diff --git a/Gemfile.lock b/Gemfile.lock
index 91c10d9..d819950 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (6.3.7)
       execjs
     colorator (1.1.0)
@@ -45,7 +45,7 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.1)
+    public_suffix (4.0.7)
     rack (1.6.8)
     rack-jekyll (0.5.0)
       jekyll (>= 1.3)