diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 1e8b8a5e9d..3baa8e8410 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -13,7 +13,6 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
-    colorize (0.8.1)
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.5)
@@ -85,13 +84,13 @@ GEM
     html-pipeline (2.11.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.10.2)
+    html-proofer (3.11.0)
       activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
-      colorize (~> 0.8)
       mercenary (~> 0.3.2)
       nokogiri (~> 1.9)
       parallel (~> 1.3)
+      rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
     http_parser.rb (0.6.0)
@@ -223,6 +222,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.0)
+    rainbow (3.0.0)
     rake (12.3.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)