diff --git a/blog/Gemfile.lock b/blog/Gemfile.lock
index eca5328..00ab02e 100644
--- a/blog/Gemfile.lock
+++ b/blog/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    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)
     arel (9.0.0)
@@ -103,7 +103,7 @@ GEM
     nio4r (2.5.2)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
-    public_suffix (4.0.3)
+    public_suffix (4.0.7)
     puma (3.12.4)
     rack (2.2.3)
     rack-test (1.1.0)