diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 5e7f97b7eba0797a2071983a8ab64c65f0f9e336..47801b54dc9c4e6ca025273e265580174454246b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 3.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.11.1)
+    html-pipeline (2.12.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     html-proofer (3.11.1)