diff --git a/Gemfile.lock b/Gemfile.lock
index 671f11f..062a838 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
     minitest (5.14.4)
@@ -227,7 +229,7 @@ GEM
       railties (>= 3.2)
       tilt
     regexp_parser (2.1.1)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rubocop (1.7.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.5)