diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 23aea20..dd05056 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,12 +30,12 @@ jobs:
       mysql:
         image: mysql:5.7
         env:
-          MYSQL_DB: active_outbox_db
+          MYSQL_DATABASE: active_outbox_db
           MYSQL_USER: root
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
           MYSQL_PASSWORD:
         ports:
-          - 127.0.0.1:3306
+          - 3306:3306
     env:
       BUNDLE_GEMFILE: Gemfile
     name: "RSpec tests: Ruby ${{ matrix.version }}"
@@ -59,9 +59,9 @@ jobs:
         run: bundle exec rspec
         env:
           ADAPTER: mysql2
-          MYSQL_HOST: 127.0.0.1
+          DATABASE_NAME: active_outbox_db
+          MYSQL_HOST: 3306
           MYSQL_PORT: 3306
-          MYSQL_DATABASE: active_outbox_db
           MYSQL_USER: root
           MYSQL_PASSWORD:
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 21a2c07..fbd7b6b 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -31,7 +31,7 @@
                 host: ENV['MYSQL_HOST'],
                 port: ENV['MYSQL_PORT'],
                 password: ENV['MYSQL_PASSWORD'],
-                database: ENV['MYSQL_DATABASE']
+                database: ENV['DATABASE_NAME']
               }
             else
               {