diff --git a/Gemfile.lock b/Gemfile.lock
index c99e8223b..0e4ed8b9d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,9 +26,9 @@ GEM
     kramdown (0.14.2)
     liquid (2.3.0)
     maruku (0.7.2)
-    mini_portile (0.6.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    mini_portile2 (2.1.0)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     pdfkit (0.6.2)
     posix-spawn (0.3.11)
     puma (2.11.2)