diff --git a/Gemfile.lock b/Gemfile.lock
index 086d6d0..deb49f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,14 +45,16 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pagemaster (2.0.1)
       jekyll (~> 3.0)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (3.0.2)
+    racc (1.5.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)