diff --git a/.travis.yml b/.travis.yml
index 47f092e6..ddf71306 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,13 +23,15 @@ language: ruby
 
 sudo: true
 
-dist: xenial
+dist: bionic
 
 rvm:      
   - 2.6
 
-before_install:
-  - mysql -e 'CREATE DATABASE IF NOT EXISTS test CHARACTER SET utf8mb4;'
+before_script:
+  - sudo mysql -e 'CREATE DATABASE IF NOT EXISTS test CHARACTER SET utf8mb4;'
+  - sudo mysql -e "CREATE USER 'dmsf'@'localhost' IDENTIFIED BY 'eGCq9ueVpUH3'";
+  - sudo mysql -e "GRANT ALL PRIVILEGES ON test.* TO 'dmsf'@'localhost'";
   - psql -c 'create database test;' -U postgres
   - export WORKSPACE=`pwd`/workspace
   - export PATH_TO_DMSF=`pwd`
@@ -40,8 +42,6 @@ before_install:
   - bash -x ./test/ci/redmine_install.sh -c
   - bash -x ./test/ci/redmine_install.sh -i
 
-install:
-
 script:
   - bash -x ./test/ci/redmine_install.sh -t
 
@@ -49,6 +49,7 @@ after_script:
   - bash -x ./test/ci/redmine_install.sh -u
 
 env:
+  global:
   - DB=sqlite   REDMINE_GIT_TAG=4.0-stable
   - DB=mysql    REDMINE_GIT_TAG=4.0-stable
   - DB=postgres REDMINE_GIT_TAG=4.0-stable
@@ -63,4 +64,4 @@ services:
   - postgresql
 
 addons:
-  mariadb: '10.3'
+  mariadb: '10.4'
diff --git a/Gemfile b/Gemfile
index 32921442..81a9bebb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -20,6 +20,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+source 'https://rubygems.org'
+
 gem 'zip-zip'
 gem 'simple_enum'
 gem 'uuidtools'
diff --git a/test/ci/mysql.yml b/test/ci/mysql.yml
index 01381c93..dad1f7b7 100644
--- a/test/ci/mysql.yml
+++ b/test/ci/mysql.yml
@@ -2,6 +2,7 @@
 test:
   adapter: mysql2
   database: test
-  username: root
+  username: dmsf
+  password: "eGCq9ueVpUH3"
   encoding: utf8mb4
   collation: utf8mb4_unicode_ci
\ No newline at end of file