diff --git a/Gemfile.lock b/Gemfile.lock
index 5a4d6c5..16c6379 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,8 +53,8 @@ GEM
     html-pipeline (2.3.0)
       activesupport (>= 2, < 5)
       nokogiri (>= 1.4)
-    httparty (0.13.7)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.7.0)
     jekyll (3.0.3)
@@ -90,16 +90,17 @@ GEM
       gemoji (~> 2.0)
       html-pipeline (~> 2.2)
       jekyll (>= 2.0)
-    json (1.8.3)
+    json (1.8.6)
     kramdown (1.9.0)
     liquid (3.0.6)
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.5)
+    mini_mime (1.1.2)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     multipart-post (2.0.0)
     net-dns (0.8.0)
     nokogiri (1.6.7.2)