diff --git a/Gemfile.lock b/Gemfile.lock
index f03b287..406a044 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     bulma-clean-theme (1.0.2)
       jekyll (>= 4.3, < 5.0)
       jekyll-feed (~> 0.15)
@@ -66,7 +66,7 @@ GEM
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (7.0.5)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)