diff --git a/Gemfile.lock b/Gemfile.lock
index ae99bd8..f8069b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,9 @@ GEM
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
     mime-types (2.99.3)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -180,7 +182,8 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     public_suffix (3.0.2)
-    puma (3.12.0)
+    puma (4.3.9)
+      nio4r (~> 2.0)
     rack (2.0.6)
     rack-cors (1.0.2)
     rack-test (1.1.0)