diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 5303d96f..55838d2b 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
     minitest (5.11.1)
-    nokogiri (1.10.4)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)