diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 215b77f9e1c6c..dbdf63a87da5b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    ethon (0.14.0)
+    ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.8.1)
@@ -45,7 +45,7 @@ GEM
     faraday-net_http_persistent (1.2.0)
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
-    ffi (1.15.4)
+    ffi (1.15.5)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (219)