diff --git a/examples/Gemfile.lock b/examples/Gemfile.lock
index 046f576..b65962d 100644
--- a/examples/Gemfile.lock
+++ b/examples/Gemfile.lock
@@ -7,12 +7,10 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    httparty (0.20.0)
-      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 (3.2021.0901)
+    mini_mime (1.1.2)
     multi_xml (0.6.0)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)