diff --git a/Gemfile.lock b/Gemfile.lock
index f75d312..b755148 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,9 +50,9 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.9.1)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.9.1-x64-mingw32)
+    nokogiri (1.10.8-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)