diff --git a/.ruby-version b/.ruby-version
index c043eea..2c9b4ef 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.2.1
+2.7.3
diff --git a/Gemfile b/Gemfile
index 48ec038..e9066dd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
-ruby '2.2.1'
+ruby '2.7.3'
 
 gem 'sinatra', '~>1.4.4'
 gem 'thin'
+gem 'pg'
diff --git a/Gemfile.lock b/Gemfile.lock
index b5714e4..7cfa8e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,8 +3,9 @@ GEM
   specs:
     daemons (1.2.2)
     eventmachine (1.0.7)
-    rack (1.6.0)
-    rack-protection (1.5.3)
+    pg (1.2.3)
+    rack (1.6.13)
+    rack-protection (1.5.5)
       rack
     sinatra (1.4.6)
       rack (~> 1.4)
@@ -20,5 +21,12 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  pg
   sinatra (~> 1.4.4)
   thin
+
+RUBY VERSION
+   ruby 2.7.3p183
+
+BUNDLED WITH
+   2.2.16
diff --git a/web.rb b/web.rb
index dbef456..133c0f3 100644
--- a/web.rb
+++ b/web.rb
@@ -1,5 +1,9 @@
 require 'sinatra'
+require 'pg'
 
 get '/' do
-  "Hello, world"
-end
\ No newline at end of file
+  url = ENV['HEROKU_POSTGRESQL_KBARBER_BLUE_URL']
+  conn = PG.connect(url + '?sslmode=verify-full&sslrootcert=/etc/ssl/certs/ca-certificates.crt')
+  pid = conn.backend_pid
+  "Hello, world, My pid is #{pid}"
+end