diff --git a/qit-api/Gemfile b/qit-api/Gemfile
index 18a35947..6135b8fb 100644
--- a/qit-api/Gemfile
+++ b/qit-api/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 5.2.1'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
diff --git a/qit-api/Gemfile.lock b/qit-api/Gemfile.lock
index 9b727795..08074900 100644
--- a/qit-api/Gemfile.lock
+++ b/qit-api/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     pg (1.1.3)
-    puma (3.12.0)
+    puma (3.12.4)
     rack (2.0.8)
     rack-cors (1.0.2)
     rack-test (1.1.0)
@@ -151,7 +151,7 @@ DEPENDENCIES
   jwt
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 3.11)
+  puma (~> 3.12)
   rack-cors
   rails (~> 5.2.1)
   spring