diff --git a/devstack/files/monasca-thresh/thresh-config.yml b/devstack/files/monasca-thresh/thresh-config.yml
index 89041fa50..d93c60f6f 100644
--- a/devstack/files/monasca-thresh/thresh-config.yml
+++ b/devstack/files/monasca-thresh/thresh-config.yml
@@ -109,7 +109,7 @@ sporadicMetricNamespaces:
 
 database:
   driverClass: %MONASCA_THRESH_DATABASE_ENGINE%
-  url: "jdbc:mysql://%DATABASE_HOST%:%DATABASE_PORT%/mon?useSSL=true"
+  url: "jdbc:drizzle://%DATABASE_HOST%:%DATABASE_PORT%/mon"
   user: "%DATABASE_USER%"
   password: "%DATABASE_PASSWORD%"
   properties:
diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 02adac3dd..96a535acc 100755
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -968,7 +968,7 @@ function install_monasca_thresh {
 
     sudo chmod 0640 /etc/monasca/thresh-config.yml
 
-    local dbEngine="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"
+    local dbEngine="org.drizzle.jdbc.DrizzleDriver"
     local dbPort=3306
 
     if [[ ${MONASCA_DATABASE_USE_ORM} == "True" ]]; then