diff --git a/Gemfile.lock b/Gemfile.lock
index d4eb5b0..ef2ec6a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,20 +65,21 @@ GEM
       faraday (>= 0.7.4, < 0.10)
     globalid (0.3.5)
       activesupport (>= 4.1.0)
-    httparty (0.13.4)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     httpclient (2.6.0.1)
     i18n (0.7.0)
-    json (1.8.2)
+    json (1.8.6)
     loofah (2.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.5)
+    mini_mime (1.1.2)
     mini_portile (0.6.2)
     minitest (5.6.1)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     multipart-post (2.0.0)
     neo4j (4.1.5)
       active_attr (~> 0.8)