diff --git a/Gemfile.lock b/Gemfile.lock
index 7dfe650..26bfc8f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.6)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)