diff --git a/Gemfile.lock b/Gemfile.lock
index 60ae918..decdfd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,11 +53,11 @@ GEM
     activesupport (6.0.2.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
-      minitest (~> 5.14)
+      minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bcrypt (3.1.13)
     bootsnap (1.4.5)
       msgpack (~> 1.0)
@@ -108,7 +108,7 @@ GEM
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     pg (1.2.2)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     puma (4.3.1)
       nio4r (~> 2.0)
     rack (2.1.1)