diff --git a/Gemfile.lock b/Gemfile.lock
index 623a994..ba0430c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,11 +77,11 @@ GEM
     html-pipeline (2.13.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.19.3)
+    html-proofer (3.19.4)
       addressable (~> 2.3)
       mercenary (~> 0.3)
-      nokogiri (~> 1.12)
-      parallel (~> 1.3)
+      nokogiri (~> 1.13)
+      parallel (~> 1.10)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)