diff --git a/Gemfile.lock b/Gemfile.lock
index d6b231053..87cab2050 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,8 +10,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     ast (2.4.0)
@@ -133,7 +133,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.4)
+    public_suffix (5.0.0)
     rack (1.6.13)
     rack-jekyll (0.5.0)
       jekyll (>= 1.3)