diff --git a/bitnami/ghost/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh b/bitnami/ghost/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
index bd3d43db6e43..9a0678726244 100644
--- a/bitnami/ghost/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
+++ b/bitnami/ghost/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
@@ -979,6 +979,8 @@ mysql_update_custom_config() {
     ! is_empty_value "$DB_BIND_ADDRESS" && mysql_conf_set "bind_address" "$DB_BIND_ADDRESS"
     ! is_empty_value "$DB_AUTHENTICATION_PLUGIN" && mysql_conf_set "default_authentication_plugin" "$DB_AUTHENTICATION_PLUGIN"
     ! is_empty_value "$DB_SQL_MODE" && mysql_conf_set "sql_mode" "$DB_SQL_MODE"
+    ! is_empty_value "$DB_ENABLE_SLOW_QUERY" && mysql_conf_set "slow_query_log" "$DB_ENABLE_SLOW_QUERY"
+    ! is_empty_value "$DB_LONG_QUERY_TIME" && mysql_conf_set "long_query_time" "$DB_LONG_QUERY_TIME"
 
     # Avoid exit code of previous commands to affect the result of this function
     true
diff --git a/bitnami/ghost/README.md b/bitnami/ghost/README.md
index 1ca8416cec73..658ce78f356f 100644
--- a/bitnami/ghost/README.md
+++ b/bitnami/ghost/README.md
@@ -43,7 +43,7 @@ Non-root container images add an extra layer of security and are generally recom
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).
 
 
-- [`4`, `4-debian-10`, `4.42.1`, `4.42.1-debian-10-r3`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-ghost/blob/4.42.1-debian-10-r3/4/debian-10/Dockerfile)
+- [`4`, `4-debian-10`, `4.42.1`, `4.42.1-debian-10-r4`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-ghost/blob/4.42.1-debian-10-r4/4/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/ghost GitHub repo](https://github.com/bitnami/bitnami-docker-ghost).