diff --git a/backend-news/newsAPIInitialInvestigation-api/Gemfile b/backend-news/newsAPIInitialInvestigation-api/Gemfile
index 298b44a..c4cc481 100644
--- a/backend-news/newsAPIInitialInvestigation-api/Gemfile
+++ b/backend-news/newsAPIInitialInvestigation-api/Gemfile
@@ -10,7 +10,7 @@ gem 'rails', '~> 6.0.2', '>= 6.0.2.1'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
diff --git a/backend-news/newsAPIInitialInvestigation-api/Gemfile.lock b/backend-news/newsAPIInitialInvestigation-api/Gemfile.lock
index c1d3514..fe78eba 100644
--- a/backend-news/newsAPIInitialInvestigation-api/Gemfile.lock
+++ b/backend-news/newsAPIInitialInvestigation-api/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     pg (1.2.2)
-    puma (4.3.1)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.1.1)
     rack-cors (1.1.1)
@@ -157,7 +157,7 @@ DEPENDENCIES
   byebug
   listen (>= 3.0.5, < 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rack-cors
   rails (~> 6.0.2, >= 6.0.2.1)
   spring