diff --git a/Gemfile.lock b/Gemfile.lock
index f3fcc5a..3c58444 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,9 @@ 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)
@@ -163,7 +165,7 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     oauth2 (1.4.4)
@@ -192,7 +194,7 @@ GEM
     polyamorous (2.3.2)
       activerecord (>= 5.2.1)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-protection (2.0.8.1)