diff --git a/Gemfile.lock b/Gemfile.lock
index b8bda348..0a203e1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.9)
     em-websocket (0.5.3)
@@ -15,7 +15,7 @@ GEM
     ffi (1.15.5)
     ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
-    html-proofer (4.4.0)
+    html-proofer (4.4.1)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogiri (~> 1.13)
@@ -72,7 +72,7 @@ GEM
     parallel (1.22.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.7)
+    public_suffix (5.0.0)
     racc (1.6.0)
     rainbow (3.1.1)
     rake (13.0.6)