diff --git a/Gemfile.lock b/Gemfile.lock
index 88ba3f4..b1b7ecc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,8 +55,8 @@ GEM
     haml (5.1.2)
       temple (>= 0.8.0)
       tilt
-    httparty (0.18.0)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
@@ -69,9 +69,6 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.1009)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)