diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 1f2636570bb2f58f0120b4b5345a4b3598bbd043..584884075e5d79c44586f1978440aa4ee0fbb2bc 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     html-pipeline (2.14.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.16.0)
+    html-proofer (3.17.0)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)
@@ -224,7 +224,7 @@ GEM
     octokit (4.18.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    parallel (1.19.2)
+    parallel (1.20.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)