diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index fd2e4ee..4970d24 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    rspec_api_documentation (5.1.0)
+    rspec_api_documentation (6.1.0)
       activesupport (>= 3.0.0)
       mustache (~> 1.0, >= 0.99.4)
       rspec (~> 3.0)
@@ -64,10 +64,10 @@ GEM
     mime-types (2.99)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    mustache (1.0.5)
+    mustache (1.1.1)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-cors (0.4.1)
     rack-protection (1.5.5)
       rack