diff --git a/Gemfile.lock b/Gemfile.lock
index 875a052..f61584f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,11 +13,14 @@ GEM
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
     hashdiff (0.2.3)
-    httparty (0.13.7)
-      json (~> 1.8)
+    httparty (0.18.1)
+      mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    json (1.8.3)
-    multi_xml (0.5.5)
+    json (2.3.1)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2020.0512)
+    multi_xml (0.6.0)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
       rspec-expectations (~> 3.4.0)