diff --git a/database-dump-via-docker-sock.sh b/database-dump-via-docker-sock.sh
index 7614a26..cbc8431 100755
--- a/database-dump-via-docker-sock.sh
+++ b/database-dump-via-docker-sock.sh
@@ -2,7 +2,7 @@
 set -eu
 
 # Generic database backup triggered through the Docker Engine unix socket.
-# Supports PostgreSQL and MySQL/MariaDB containers.
+# Supports PostgreSQL, MySQL/MariaDB, and Kingbase containers.
 
 log() {
   printf '%s\n' "$(date -u '+%Y-%m-%dT%H:%M:%SZ') $*"
@@ -11,14 +11,14 @@ log() {
 print_usage() {
   cat <<EOF_USAGE >&2
 Usage: $0 [--socket=PATH] [--api-version=VERSION] --container=NAME \\
-         [--type=postgres|mysql] --backup-prefix=PREFIX [--backup-dir=DIR] \\
+         [--type=postgres|mysql|kingbase] --backup-prefix=PREFIX [--backup-dir=DIR] \\
          [--mysql-user=USER] [--mysql-password=PASSWORD]
 
 Options:
   --socket=PATH             Docker Engine unix socket path (default: /var/run/docker.sock)
   --api-version=VERSION     Docker API version (default: v1.51)
   --container=NAME          Container name to execute the backup in
-  --type=TYPE               Database type: postgres or mysql (auto-detected from container name if omitted)
+  --type=TYPE               Database type: postgres, mysql, or kingbase (auto-detected from container name if omitted)
   --backup-dir=DIR          Directory to store backups (default: /backups)
   --backup-prefix=PREFIX    Backup filename prefix
   --mysql-user=USER         MySQL user (default: root)
@@ -53,6 +53,10 @@ detect_db_type_from_name() {
       printf 'mysql'
       return 0
       ;;
+    *kingbase*)
+      printf 'kingbase'
+      return 0
+      ;;
   esac
 
   return 1
@@ -198,7 +202,7 @@ if [ -z "$DB_TYPE" ]; then
     log "auto-detected database type '$DB_TYPE' from container name '$CONTAINER_NAME'"
   else
     printf 'Unable to detect database type from container name: %s\n' "$CONTAINER_NAME" >&2
-    printf 'Please specify --type=postgres or --type=mysql\n' >&2
+    printf 'Please specify --type=postgres, --type=mysql, or --type=kingbase\n' >&2
     exit 1
   fi
 fi
@@ -219,6 +223,11 @@ case $DB_TYPE in
     fi
     COMPRESS_CMD="zstd"
     ;;
+  kingbase)
+    BACKUP_EXTENSION=".sql.zst"
+    DUMP_CMD="sys_dumpall --clean --username=\"\${DB_USER:-kingbase}\""
+    COMPRESS_CMD="zstd"
+    ;;
   *)
     printf 'Unsupported database type: %s\n' "$DB_TYPE" >&2
     exit 1