diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..78f31d17a
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,35 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:9.4
+        ports: ["5432:5432"]
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: timeoverflow_test
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+      - name: Run tests
+        env:
+          RAILS_ENV: test
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+        run: |
+          bundle exec rails db:setup
+          bundle exec rspec
+      - name: Publish code coverage
+        uses: paambaati/codeclimate-action@v3.2.0
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        with:
+          coverageLocations: ${{ github.workspace }}/coverage/coverage.json:simplecov
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index d1259e700..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-language: ruby
-dist: bionic
-cache: bundler
-services:
-  - postgresql
-addons:
-  postgresql: "9.4"
-  chrome: stable
-bundler_args: '--without development'
-env:
-  global:
-    - DATABASE_URL=postgres://postgres@localhost/timeoverflow_test
-    - CC_TEST_REPORTER_ID=025bc15a0fa9afa52d86ee24fea845cf1d363f48a466bcf2cef8ab80c29acb28
-before_script:
-  - psql -c 'create database timeoverflow_test;' -U postgres
-  - psql -U postgres -q -d timeoverflow_test -f db/structure.sql
-  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-  - chmod +x ./cc-test-reporter
-  - ./cc-test-reporter before-build
-after_script:
-  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
diff --git a/Gemfile b/Gemfile
index e5c4a91f1..a8eb95e5c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby File.read('.ruby-version').strip
+ruby ">= #{File.read('.ruby-version').strip}"
 
 gem 'rails', '~> 6.1.1'
 gem 'rails-i18n', '~> 6.0.0'
@@ -10,7 +10,7 @@ gem 'activeadmin', '~> 2.9.0'
 gem 'bootsnap', '~> 1.12.0', require: false
 gem 'has_scope', '~> 0.7.2'
 gem 'pundit', '~> 2.1.0'
-gem 'pg', '~> 1.2.1'
+gem 'pg', '~> 1.4'
 gem 'json_translate', '~> 4.0.0'
 gem 'devise', '~> 4.7.1'
 gem 'http_accept_language', '~> 2.1.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 687ceac58..a471be099 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -239,7 +239,7 @@ GEM
     parser (3.0.1.1)
       ast (~> 2.4.1)
     pdf-core (0.9.0)
-    pg (1.2.3)
+    pg (1.4.6)
     pg_search (2.3.5)
       activerecord (>= 5.2)
       activesupport (>= 5.2)
@@ -450,7 +450,7 @@ DEPENDENCIES
   letter_opener (~> 1.7.0)
   listen (~> 3.2.0)
   localeapp (~> 3.1)
-  pg (~> 1.2.1)
+  pg (~> 1.4)
   pg_search (~> 2.3.5)
   prawn (~> 2.4.0)
   prawn-table (~> 0.2.2)
diff --git a/README.md b/README.md
index d3a7233ce..c08cc6ea1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # TimeOverflow
 [![View performance data on Skylight](https://badges.skylight.io/problem/grDTNuzZRnyu.svg)](https://oss.skylight.io/app/applications/grDTNuzZRnyu)
-[![Build Status](https://travis-ci.com/coopdevs/timeoverflow.svg?branch=develop)](https://travis-ci.com/coopdevs/timeoverflow)
+[![Build Status](https://github.com/coopdevs/timeoverflow/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/coopdevs/timeoverflow/actions)
 [![Maintainability](https://api.codeclimate.com/v1/badges/f82c6d98a2441c84f2ef/maintainability)](https://codeclimate.com/github/coopdevs/timeoverflow/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/f82c6d98a2441c84f2ef/test_coverage)](https://codeclimate.com/github/coopdevs/timeoverflow/test_coverage)
 
diff --git a/config/database.yml b/config/database.yml
index ea70e91a2..a840d2a02 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -1,20 +1,6 @@
-# If you want to change this file, please keep the changes in your working
-# copy by using
-#
-#     git update-index --skip-worktree config/database.yml
-#
-# or just use DATABASE_URL, in which case Rails will happily skip the whole
-# file.
-#
-# See https://github.com/coopdevs/timeoverflow/wiki/Keeping-your-local-files
-# for more information
-#
-
 defaults: &defaults
   adapter: postgresql
-  username: <%= ENV['DATABASE_USER'] %>  # default is null
-  collation: 'es_ES.UTF-8'
-  ctype: 'es_ES.UTF-8'
+  username: <%= ENV['DATABASE_USER'] || ENV["POSTGRES_USER"] %>
   template: 'template0'
   encoding: 'UTF8'
 
@@ -24,12 +10,18 @@ development:
 
 test:
   <<: *defaults
-  database: 'timeoverflow_test'
+  database: timeoverflow_test
+  host: localhost
+  password: <%= ENV['DATABASE_PASSWORD'] || ENV["POSTGRES_PASSWORD"] %>
 
 staging:
   <<: *defaults
+  collation: 'es_ES.UTF-8'
+  ctype: 'es_ES.UTF-8'
   database: <%= ENV.fetch('DATABASE_NAME', 'timeoverflow_staging') %>
 
 production:
   <<: *defaults
+  collation: 'es_ES.UTF-8'
+  ctype: 'es_ES.UTF-8'
   database: <%= ENV.fetch('DATABASE_NAME', 'timeoverflow_production') %>
diff --git a/db/migrate/20230312231058_migrate_hstore_to_json.rb b/db/migrate/20230312231058_migrate_hstore_to_json.rb
new file mode 100644
index 000000000..7ab08b7af
--- /dev/null
+++ b/db/migrate/20230312231058_migrate_hstore_to_json.rb
@@ -0,0 +1,15 @@
+class MigrateHstoreToJson < ActiveRecord::Migration[6.1]
+  def up
+    rename_column :categories, :name_translations, :name_translations_hstore
+    add_column    :categories, :name_translations, :jsonb, default: {}, null: false, index: { using: 'gin' }
+    execute       'UPDATE "categories" SET "name_translations" = json_object(hstore_to_matrix("name_translations_hstore"))::jsonb'
+    remove_column :categories, :name_translations_hstore
+  end
+
+  def down
+    rename_column :categories, :name_translations, :name_translations_jsonb
+    add_column    :categories, :name_translations, :hstore, default: {}, null: false
+    execute       'UPDATE "categories" SET "name_translations" = (SELECT hstore(key, value) FROM jsonb_each_text("name_translations_jsonb"))'
+    remove_column :categories, :name_translations_jsonb
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 8ad16f15b..2ce681d0f 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -158,7 +158,7 @@ ALTER SEQUENCE public.active_admin_comments_id_seq OWNED BY public.active_admin_
 
 
 --
--- Name: active_storage_attachments; Type: TABLE; Schema: public; Owner: - 
+-- Name: active_storage_attachments; Type: TABLE; Schema: public; Owner: -
 --
 
 CREATE TABLE public.active_storage_attachments (
@@ -191,7 +191,7 @@ ALTER SEQUENCE public.active_storage_attachments_id_seq OWNED BY public.active_s
 
 
 --
--- Name: active_storage_blobs; Type: TABLE; Schema: public; Owner: - 
+-- Name: active_storage_blobs; Type: TABLE; Schema: public; Owner: -
 --
 
 CREATE TABLE public.active_storage_blobs (
@@ -227,7 +227,7 @@ ALTER SEQUENCE public.active_storage_blobs_id_seq OWNED BY public.active_storage
 
 
 --
--- Name: active_storage_variant_records; Type: TABLE; Schema: public; Owner: - 
+-- Name: active_storage_variant_records; Type: TABLE; Schema: public; Owner: -
 --
 
 CREATE TABLE public.active_storage_variant_records (
@@ -257,7 +257,7 @@ ALTER SEQUENCE public.active_storage_variant_records_id_seq OWNED BY public.acti
 
 
 --
--- Name: ar_internal_metadata; Type: TABLE; Schema: public; Owner: - 
+-- Name: ar_internal_metadata; Type: TABLE; Schema: public; Owner: -
 --
 
 CREATE TABLE public.ar_internal_metadata (
@@ -276,7 +276,7 @@ CREATE TABLE public.categories (
     id integer NOT NULL,
     created_at timestamp without time zone,
     updated_at timestamp without time zone,
-    name_translations public.hstore
+    name_translations jsonb DEFAULT '{}'::jsonb NOT NULL
 );
 
 
@@ -822,7 +822,7 @@ ALTER TABLE ONLY public.active_admin_comments
 
 
 --
--- Name: active_storage_attachments_pkey; Type: CONSTRAINT; Schema: public; Owner: - 
+-- Name: active_storage_attachments_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
 
 ALTER TABLE ONLY public.active_storage_attachments
@@ -830,7 +830,7 @@ ALTER TABLE ONLY public.active_storage_attachments
 
 
 --
--- Name: active_storage_blobs_pkey; Type: CONSTRAINT; Schema: public; Owner: - 
+-- Name: active_storage_blobs_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
 
 ALTER TABLE ONLY public.active_storage_blobs
@@ -838,7 +838,7 @@ ALTER TABLE ONLY public.active_storage_blobs
 
 
 --
--- Name: active_storage_variant_records_pkey; Type: CONSTRAINT; Schema: public; Owner: - 
+-- Name: active_storage_variant_records_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
 
 ALTER TABLE ONLY public.active_storage_variant_records
@@ -846,7 +846,7 @@ ALTER TABLE ONLY public.active_storage_variant_records
 
 
 --
--- Name: ar_internal_metadata_pkey; Type: CONSTRAINT; Schema: public; Owner: - 
+-- Name: ar_internal_metadata_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
 
 ALTER TABLE ONLY public.ar_internal_metadata
@@ -977,28 +977,28 @@ CREATE INDEX index_active_admin_comments_on_resource_type_and_resource_id ON pub
 
 
 --
--- Name: index_active_storage_attachments_on_blob_id; Type: INDEX; Schema: public; Owner: - 
+-- Name: index_active_storage_attachments_on_blob_id; Type: INDEX; Schema: public; Owner: -
 --
 
 CREATE INDEX index_active_storage_attachments_on_blob_id ON public.active_storage_attachments USING btree (blob_id);
 
 
 --
--- Name: index_active_storage_attachments_uniqueness; Type: INDEX; Schema: public; Owner: - 
+-- Name: index_active_storage_attachments_uniqueness; Type: INDEX; Schema: public; Owner: -
 --
 
 CREATE UNIQUE INDEX index_active_storage_attachments_uniqueness ON public.active_storage_attachments USING btree (record_type, record_id, name, blob_id);
 
 
 --
--- Name: index_active_storage_blobs_on_key; Type: INDEX; Schema: public; Owner: - 
+-- Name: index_active_storage_blobs_on_key; Type: INDEX; Schema: public; Owner: -
 --
 
 CREATE UNIQUE INDEX index_active_storage_blobs_on_key ON public.active_storage_blobs USING btree (key);
 
 
 --
--- Name: index_active_storage_variant_records_uniqueness; Type: INDEX; Schema: public; Owner: - 
+-- Name: index_active_storage_variant_records_uniqueness; Type: INDEX; Schema: public; Owner: -
 --
 
 CREATE UNIQUE INDEX index_active_storage_variant_records_uniqueness ON public.active_storage_variant_records USING btree (blob_id, variation_digest);
@@ -1285,6 +1285,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20210423193937'),
 ('20210424174640'),
 ('20210502160343'),
-('20210503201944');
+('20210503201944'),
+('20230312231058');
 
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8045aedaa..1ab96aa99 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,9 +1,16 @@
-require 'simplecov'
-SimpleCov.start 'rails'
-
 ENV["RAILS_ENV"] ||= 'test'
 ENV["ADMINS"] = "admin@timeoverflow.org"
 
+require 'simplecov'
+
+SimpleCov.formatter = if ENV["CI"]
+  require "simplecov_json_formatter"
+  SimpleCov::Formatter::JSONFormatter
+else
+  SimpleCov::Formatter::HTMLFormatter
+end
+SimpleCov.start 'rails'
+
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
 require 'capybara/rails'