diff --git a/Gemfile.lock b/Gemfile.lock
index a9e8fcb..f31f906 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -122,7 +124,7 @@ GEM
     net-http-persistent (3.1.0)
       connection_pool (~> 2.2)
     netrc (0.11.0)
-    nio4r (2.4.0)
+    nio4r (2.5.7)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -135,7 +137,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.1.0)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-proxy (0.6.5)