diff --git a/docker/my-dojo/mysql/mysql-default.cnf b/docker/my-dojo/mysql/mysql-default.cnf
index 1b697f5..b9a1f1a 100644
--- a/docker/my-dojo/mysql/mysql-default.cnf
+++ b/docker/my-dojo/mysql/mysql-default.cnf
@@ -1,2 +1,3 @@
 [mysqld]
-sql_mode="NO_ENGINE_SUBSTITUTION"
\ No newline at end of file
+sql_mode="NO_ENGINE_SUBSTITUTION"
+transaction_isolation=READ-COMMITTED
\ No newline at end of file
diff --git a/docker/my-dojo/mysql/mysql-low_mem.cnf b/docker/my-dojo/mysql/mysql-low_mem.cnf
index bb5415a..9e47b12 100644
--- a/docker/my-dojo/mysql/mysql-low_mem.cnf
+++ b/docker/my-dojo/mysql/mysql-low_mem.cnf
@@ -1,5 +1,6 @@
 [mysqld]
 sql_mode="NO_ENGINE_SUBSTITUTION"
+transaction_isolation=READ-COMMITTED
 performance_schema=off
 innodb_buffer_pool_size=128M
 innodb_buffer_pool_chunk_size=16M