diff --git a/Gemfile.lock b/Gemfile.lock
index 33812b8..a69d3df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -168,7 +168,9 @@ 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
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -179,7 +181,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     mysql2 (0.5.2)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
@@ -232,7 +234,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.1)
-    puma (4.3.3)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.0.8)
     rack-test (1.1.0)