diff --git a/Gemfile b/Gemfile
index 8893430..2bb0ef6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.3', '>= 6.0.3.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 4.3'
 
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
diff --git a/Gemfile.lock b/Gemfile.lock
index d49245f..9cc6e5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,6 +61,7 @@ GEM
     autoprefixer-rails (9.7.6)
       execjs
     bcrypt (3.1.13)
+    bcrypt (3.1.13-java)
     bindex (0.8.1)
     bootsnap (1.4.6)
       msgpack (~> 1.0)
@@ -114,8 +115,8 @@ GEM
     msgpack (1.3.3-java)
     msgpack (1.3.3-x64-mingw32)
     msgpack (1.3.3-x86-mingw32)
-    nio4r (2.5.2)
-    nio4r (2.5.2-java)
+    nio4r (2.5.8)
+    nio4r (2.5.8-java)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.9-java)
@@ -125,9 +126,9 @@ GEM
       mini_portile2 (~> 2.4.0)
     popper_js (1.16.0)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.11)
       nio4r (~> 2.0)
-    puma (4.3.5-java)
+    puma (4.3.11-java)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-proxy (0.6.5)
@@ -241,7 +242,7 @@ DEPENDENCIES
   capybara (>= 2.15)
   jbuilder (~> 2.7)
   listen (~> 3.2)
-  puma (~> 4.1)
+  puma (~> 4.3)
   rails (~> 6.0.3, >= 6.0.3.1)
   sass-rails (>= 6)
   selenium-webdriver