diff --git a/Gemfile.lock b/Gemfile.lock
index a66972b3f..c71f02b28 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -321,9 +321,9 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     messagebird-rest (3.0.0)
     method_source (1.0.0)
-    mime-types (3.3.1)
+    mime-types (3.4.0)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0901)
+    mime-types-data (3.2021.1115)
     mini_mime (1.1.2)
     mini_portile2 (2.6.1)
     mini_racer (0.2.9)