diff --git a/Gemfile.lock b/Gemfile.lock
index 8860e5e..acf3cc2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -138,7 +138,9 @@ 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 (2.4.0)
     minitest (5.14.1)
@@ -201,7 +203,7 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rubocop (0.84.0)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)