diff --git a/NEWS b/NEWS
index fd17715973a8..45524b382c73 100644
--- a/NEWS
+++ b/NEWS
@@ -99,6 +99,9 @@ PHP                                                                        NEWS
   . Added TLS session resumption support for streams with new context options
     and Openssl\Session class. (Jakub Zelenka)
 
+- PDO_DBLIB;
+  . Added dblib_handle_check_liveness handler. (freddy77)
+
 - PDO_PGSQL:
   . Clear session-local state disconnect-equivalent processing.
     (KentarouTakeda)
diff --git a/UPGRADING b/UPGRADING
index 088f5b620bd4..4cbe4a981052 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -204,6 +204,10 @@ PHP 8.6 UPGRADE NOTES
   . Output of openssl_x509_parse() contains criticalExtensions listing all
     critical certificate extensions.
 
+- PDO_DBLIB:
+  . When using persistent connections, there is now a liveness check in the
+    constructor.
+
 - Phar:
   . Phar::mungServer() now supports reference values.
 
diff --git a/ext/pdo_dblib/dblib_driver.c b/ext/pdo_dblib/dblib_driver.c
index 42ba72b40ede..9f590c9071b6 100644
--- a/ext/pdo_dblib/dblib_driver.c
+++ b/ext/pdo_dblib/dblib_driver.c
@@ -420,6 +420,17 @@ static int dblib_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *return_valu
 	return 1;
 }
 
+static zend_result dblib_handle_check_liveness(pdo_dbh_t *dbh)
+{
+	pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
+
+	if (dbdead(H->link)) {
+		return FAILURE;
+	}
+
+	return SUCCESS;
+}
+
 static const struct pdo_dbh_methods dblib_methods = {
 	dblib_handle_closer,
 	dblib_handle_preparer,
@@ -432,7 +443,7 @@ static const struct pdo_dbh_methods dblib_methods = {
 	dblib_handle_last_id, /* last insert id */
 	dblib_fetch_error, /* fetch error */
 	dblib_get_attribute, /* get attr */
-	NULL, /* check liveness */
+	dblib_handle_check_liveness, /* check_liveness */
 	NULL, /* get driver methods */
 	NULL, /* request shutdown */
 	NULL, /* in transaction, use PDO's internal tracking mechanism */