diff --git a/Gemfile.lock b/Gemfile.lock
index c092e9ef..6d53a7a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -299,7 +299,7 @@ GEM
     method_source (1.0.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0704)
+    mime-types-data (3.2021.0901)
     mina (1.2.4)
       open4 (~> 1.3.4)
       rake