diff --git a/Gemfile.lock b/Gemfile.lock
index 5529637..ab64911 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     msgpack (1.4.2)
     multi_json (1.15.0)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     pg (1.2.3)
     public_suffix (4.0.6)