diff --git a/manuscript/Gemfile.lock b/manuscript/Gemfile.lock
index f8d4775..e43c4d6 100644
--- a/manuscript/Gemfile.lock
+++ b/manuscript/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.10.5)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
     public_suffix (3.0.3)