diff --git a/Gemfile.lock b/Gemfile.lock
index 192cbaa..320037f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,10 +83,10 @@ GEM
       rb-inotify (>= 0.9)
     maruku (0.7.0)
     mercenary (0.3.4)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     minitest (5.4.0)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parslet (1.5.0)
       blankslate (~> 2.0)
@@ -94,7 +94,7 @@ GEM
     pygments.rb (0.6.0)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)