diff --git a/Gemfile.lock b/Gemfile.lock
index 7e61dd5..11d102e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,13 +107,15 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     msgpack (1.3.2)
     mysql2 (0.5.3)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     pdf-core (0.7.0)
@@ -127,7 +129,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.3.5)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-cors (1.1.1)