diff --git a/Gemfile.lock b/Gemfile.lock
index 571dae7..1e49f84 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
     multi_json (1.13.1)
     newrelic_rpm (5.6.0.349)
     nio4r (2.3.1)
-    nokogiri (1.9.1)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pdfkit (0.8.2)