diff --git a/Gemfile.lock b/Gemfile.lock
index 396bef1..ce6c72a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,8 +55,8 @@ GEM
     ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    httparty (0.17.0)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
@@ -75,9 +75,6 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
-    mime-types (3.2.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.0331)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)