diff --git a/Gemfile.lock b/Gemfile.lock
index c1580c3ae..b61c7f543 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     algolia_html_extractor (2.6.4)
       json (~> 2.0)
       nokogiri (~> 1.10)
@@ -32,7 +32,7 @@ GEM
     ffi (1.15.5)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
-    html-proofer (4.3.2)
+    html-proofer (4.4.1)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogiri (~> 1.13)
@@ -121,7 +121,7 @@ GEM
       forwardable-extended (~> 2.6)
     posix-spawn (0.3.15)
     progressbar (1.11.0)
-    public_suffix (4.0.7)
+    public_suffix (5.0.0)
     racc (1.6.0)
     rack (2.2.4)
     rainbow (3.1.1)
@@ -148,7 +148,7 @@ GEM
     whenever (1.0.0)
       chronic (>= 0.6.3)
     yell (2.2.2)
-    zeitwerk (2.6.0)
+    zeitwerk (2.6.1)
 
 PLATFORMS
   ruby