diff --git a/Gemfile.lock b/Gemfile.lock
index 85165b9a4..7e6d2d017 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     mysql2 (0.5.4)
     net-http-persistent (2.9.4)
     nio4r (2.5.8)
-    nokogiri (1.13.8)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     oa-core (0.3.2)