diff --git a/_tools/validation/Gemfile.lock b/_tools/validation/Gemfile.lock
index e87a156b..74eff895 100644
--- a/_tools/validation/Gemfile.lock
+++ b/_tools/validation/Gemfile.lock
@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    httparty (0.11.0)
-      multi_json (~> 1.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     json (1.8.0)
-    multi_json (1.7.7)
-    multi_xml (0.5.4)
+    mini_mime (1.1.2)
+    multi_xml (0.6.0)
     paint (0.8.6)
 
 PLATFORMS