diff --git a/Gemfile b/Gemfile
index 58f9e9a..f59e0ae 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem "coffee-rails", "~> 4.2"
 gem "devise"
 gem "jsonapi-resources"
 gem "pg", ">= 0.18", "< 2.0"
-gem "puma", "~> 3.11"
+gem "puma", "~> 4.3"
 gem "pundit"
 gem "rails", "~> 5.2.4"
 gem "rspec"
diff --git a/Gemfile.lock b/Gemfile.lock
index 04bd081..e8f0433 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,6 +44,7 @@ GEM
       tzinfo (~> 1.1)
     arel (9.0.0)
     ast (2.4.0)
+    awesome_print (1.9.2)
     aws-partitions (1.70.0)
     aws-sdk-core (3.17.0)
       aws-partitions (~> 1.0)
@@ -141,7 +142,8 @@ GEM
     pry-remote (0.1.8)
       pry (~> 0.9)
       slop (~> 3.0)
-    puma (3.12.4)
+    puma (4.3.11)
+      nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
     rack (2.2.2)
@@ -263,6 +265,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  awesome_print
   aws-sdk-s3
   coffee-rails (~> 4.2)
   devise
@@ -276,7 +279,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   pry
   pry-remote
-  puma (~> 3.11)
+  puma (~> 4.3)
   pundit
   rack-cors
   rails (~> 5.2.4)