diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 9c0924612e..8ce481867b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     faraday-excon (1.1.0)
     faraday-net_http (1.0.1)
     faraday-net_http_persistent (1.1.0)
-    ffi (1.15.1)
+    ffi (1.15.3)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (215)