diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 0c8d1658e..ba718e3d3 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -105,13 +105,13 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.3.0)
     minima (2.0.0)
     minitest (5.9.1)
     multipart-post (2.0.0)
     net-dns (0.8.0)
     nokogiri (1.8.1)
-      mini_portile2 (~> 2.1.0)
+      mini_portile2 (~> 2.3.0)
     octokit (4.4.1)
       sawyer (~> 0.7.0, >= 0.5.3)
     pathutil (0.14.0)