diff --git a/Gemfile.lock b/Gemfile.lock
index 7ad4b1d..db4d173 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,15 +23,13 @@ GEM
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
     hashie (5.0.0)
-    httparty (0.20.0)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     jwt (2.3.0)
     litmus-instant (0.3.1)
       httparty (>= 0.13.5, < 1.0.0)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0901)
+    mini_mime (1.1.2)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)