diff --git a/Gemfile.lock b/Gemfile.lock
index 6e40d57..89c4b38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,12 +10,10 @@ GEM
   specs:
     byebug (11.1.1)
     diff-lcs (1.3)
-    httparty (0.18.0)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.1009)
+    mini_mime (1.1.2)
     mini_portile2 (2.4.0)
     multi_xml (0.6.0)
     nokogiri (1.10.9)