diff --git a/Gemfile.lock b/Gemfile.lock
index ccacbe59..66226f37 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,7 @@ GEM
     mysql2 (0.5.2)
     net-http-persistent (2.9.4)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.6)
       mini_portile2 (~> 2.4.0)
     oa-core (0.3.2)
     oa-openid (0.3.2)