diff --git a/Gemfile b/Gemfile
index a8e20231..b3a3b5cf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,10 @@ gem 'better_settings'
 gem 'rails', '~> 7.0'
 
 # Pg is the Ruby interface to the {PostgreSQL RDBMS}[http://www.postgresql.org/] (https://github.com/ged/ruby-pg)
-gem 'pg', '>= 0.18', '< 2.0'
+#gem 'pg', '>= 0.18', '< 2.0'
+
+# sqlite3 instead of pg
+gem 'sqlite3'
 
 # Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications (https://puma.io)
 gem 'puma', '~> 5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5c77efd9..7c81c5c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,6 @@ GEM
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
-    pg (1.3.5)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -246,6 +245,8 @@ GEM
       childprocess (>= 0.5, < 5.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
+    sqlite3 (1.6.2)
+      mini_portile2 (~> 2.8.0)
     strscan (3.0.3)
     thor (1.2.1)
     timeout (0.2.0)
@@ -296,7 +297,6 @@ DEPENDENCIES
   oj
   oj_serializers
   pagy
-  pg (>= 0.18, < 2.0)
   pry-byebug
   puma (~> 5.0)
   rack-mini-profiler (~> 2.0)
@@ -306,6 +306,7 @@ DEPENDENCIES
   rubocop-performance
   rubocop-rails
   selenium-webdriver
+  sqlite3
   tzinfo-data
   vite_rails (~> 3.0)
   web-console (>= 4.1.0)
diff --git a/config/database.yml b/config/database.yml
index 59bb9785..df494f7a 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -47,15 +47,19 @@ default: &default
   #min_messages: notice
 
 development:
-  <<: *default
-  database: pingcrm_development
+  adapter: sqlite3
+  database: db/development.sqlite3
+  pool: 5
+  timeout: 5000
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
 test:
-  <<: *default
-  database: pingcrm_test
+  adapter: sqlite3
+  database: db/development.sqlite3
+  pool: 5
+  timeout: 5000
 
 # As with config/credentials.yml, you never want to store sensitive information,
 # like your database password, in your source code. If your source code is