diff --git a/Gemfile.lock b/Gemfile.lock
index 4730868..881f17d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.5.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -139,7 +139,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mina (1.2.3)
       open4 (~> 1.3.4)
       rake
@@ -151,7 +153,7 @@ GEM
     mina-sidekiq (1.0.3)
       mina (>= 1.0.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.3)
     minitest (5.14.1)
     msgpack (1.2.4)
     multipart-post (2.0.0)
@@ -173,7 +175,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.3)
     puma (3.12.6)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (2.2.3)
     rack-cors (1.0.5)
       rack (>= 1.6.0)