diff --git a/Aulas/AulaGems/Assignment4/Gemfile.lock b/Aulas/AulaGems/Assignment4/Gemfile.lock
index 0a6dedc..5c667bf 100644
--- a/Aulas/AulaGems/Assignment4/Gemfile.lock
+++ b/Aulas/AulaGems/Assignment4/Gemfile.lock
@@ -106,7 +106,9 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.13.0)
@@ -118,7 +120,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.1)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)