diff --git a/Gemfile.lock b/Gemfile.lock
index b4e83feb..3d9fa046 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,8 +193,8 @@ GEM
       activesupport (>= 4.1)
     hashie (4.1.0)
     http-2 (0.10.1)
-    httparty (0.18.0)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
@@ -238,9 +238,6 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.1009)
     mimemagic (0.3.4)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)