diff --git a/ruby-parser/Gemfile.lock b/ruby-parser/Gemfile.lock
index 0c648f1..6afa0f9 100644
--- a/ruby-parser/Gemfile.lock
+++ b/ruby-parser/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     msgpack (1.3.0)
     mysql2 (0.5.2)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     puma (3.12.1)
     rack (2.0.7)