diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c618823416..68c3eef67a 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
     html-pipeline (2.12.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.15.1)
+    html-proofer (3.15.2)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)