diff --git a/Gemfile.lock b/Gemfile.lock
index 7009bd3..aebfaf1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
     minitest (5.10.3)
     multi_json (1.15.0)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.3-x86_64-linux)
       racc (~> 1.4)
     oj (3.13.10)
     oj_mimic_json (1.0.1)