diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 9cbcadff..9341600e 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -21,8 +21,8 @@ jobs:
             dialect: "NHibernate.Dialect.FirebirdDialect"
             driverclass: "NHibernate.Driver.FirebirdClientDriver"
           - db: MySQL
-            connectionstring: "Server=localhost;Uid=root;Password=envers;Database=envers;Old Guids=True;SslMode=none;"
-            dialect: "NHibernate.Dialect.MySQL5Dialect"
+            connectionstring: "Server=localhost;Uid=root;Password=envers;Database=envers;SslMode=none;"
+            dialect: "NHibernate.Dialect.MySQL8InnoDBDialect"
             driverclass: "NHibernate.Driver.MySqlDataDriver"
           - db: Oracle
             connectionstring: "User ID=envers;Password=envers;Metadata Pooling=false;Self Tuning=false;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XEPDB1)))"
@@ -47,7 +47,7 @@ jobs:
       if: matrix.db == 'MySQL'
       run: |
         sudo service mysql stop
-        docker run --name mysql -e MYSQL_ROOT_PASSWORD=envers -e MYSQL_USER=envers -e MYSQL_PASSWORD=envers -e MYSQL_DATABASE=envers -p 3306:3306 --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3 -d mysql:5.7 mysqld --lower_case_table_names=1 --character-set-server=utf8 --collation-server=utf8_general_ci
+        docker run --name mysql --tmpfs /var/lib/mysql:rw,noexec,nosuid,size=256m -e MYSQL_ROOT_PASSWORD=envers -e MYSQL_USER=envers -e MYSQL_PASSWORD=envers -e MYSQL_DATABASE=envers -p 3306:3306 --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3 -d mysql:8.0 mysqld --lower_case_table_names=1 --skip-ssl --default_authentication_plugin=mysql_native_password
     - name: Set up Oracle
       if: matrix.db == 'Oracle'
       run: |