diff --git a/addons/mysql/config/mysql8-config-constraint.cue b/addons/mysql/config/mysql8-config-constraint.cue
index 9ea7ae6319..2ea10fe802 100644
--- a/addons/mysql/config/mysql8-config-constraint.cue
+++ b/addons/mysql/config/mysql8-config-constraint.cue
@@ -580,6 +580,9 @@
 	// Controls encryption of redo log data for tables encrypted using the InnoDB tablespace encryption feature.
 	innodb_redo_log_encrypt: string & "OFF" | "ON" | *"OFF"
 
+	// The total capacity in bytes of the redo log.
+	innodb_redo_log_capacity: int & >= 8388608
+
 	// The replication thread delay (in ms) on a slave server if innodb_thread_concurrency is reached.
 	innodb_replication_delay?: int & >=0 & <=4294967295