diff --git a/Gemfile b/Gemfile
index 7a6c079bb..90ff4a6e8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,7 +36,7 @@ gem "momentjs-rails", "~> 2.8.3"
 gem "bigbluebutton-api-ruby", "~> 1.6.0"
 
 # platform adicionado para evitar que o unicorn tente ser executado no windows
-gem "puma", "~> 4.3.5"
+gem "puma", "~> 4.3.12"
 
 gem "rubyzip", "~> 1.0.0"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 39c167a42..99857b78d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -308,7 +308,7 @@ GEM
     pry-rescue (1.5.2)
       interception (>= 0.5)
       pry (>= 0.12.0)
-    puma (4.3.7)
+    puma (4.3.12)
       nio4r (~> 2.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
@@ -544,7 +544,7 @@ DEPENDENCIES
   protected_attributes (~> 1.0.9)
   pry-rails
   pry-rescue
-  puma (~> 4.3.5)
+  puma (~> 4.3.12)
   quiet_assets (~> 1.1.0)
   rabl (~> 0.13.0)
   rack (~> 1.5.2)