diff --git a/Gemfile.lock b/Gemfile.lock
index be922a46..b13bf987 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     bindex (0.5.0)
     bootsnap (1.3.2)
       msgpack (~> 1.0)
-    brakeman (4.3.1)
+    brakeman (5.0.4)
     buftok (0.2.0)
     builder (3.2.3)
     byebug (10.0.2)
@@ -233,7 +233,9 @@ GEM
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)