diff --git a/Database.php b/Database.php
index d2e0885f..78df8ec1 100644
--- a/Database.php
+++ b/Database.php
@@ -1,81 +1,80 @@
 <?php
 
 $wgLBFactoryConf = [
 	'class' => \Wikimedia\Rdbms\LBFactoryMulti::class,
 	'sectionsByDB' => $wi->wikiDBClusters,
 	'sectionLoads' => [
 		'DEFAULT' => [
 			'db101' => 1,
 		],
 		'c1' => [
 			'db101' => 1,
 		],
 		'c2' => [
 			'db101' => 1,
 		],
 		'c3' => [
 			'db142' => 1,
 		],
 		'c4' => [
 			'db121' => 1,
 		],
 		'c5' => [
 			'db131' => 1,
 		],
 	],
 	'serverTemplate' => [
 		'dbname' => $wgDBname,
 		'user' => $wgDBuser,
 		'password' => $wgDBpassword,
 		'type' => 'mysql',
-		// DBO_SSL is deprecated in 1.39
-		// use 'ssl' parameter instead
-		'flags' => DBO_SSL,
+		'ssl' => true,
+		'flags' => DBO_DEFAULT,
 		'variables' => [
 			// https://mariadb.com/docs/reference/mdb/system-variables/innodb_lock_wait_timeout
 			'innodb_lock_wait_timeout' => 15,
 		],
 		/**
 		 * MediaWiki checks if the certificate presented by MariaDB is signed
 		 * by the certificate authority listed in 'sslCAFile'. In emergencies
 		 * this could be set to /etc/ssl/certs/ca-certificates.crt (all trusted
 		 * CAs), but setting this to one CA reduces attack vector and CAs
 		 * to dig through when checking the certificate provided by MariaDB.
 		 */
 		'sslCAFile' => '/etc/ssl/certs/Sectigo.crt',
 	],
 	'hostsByName' => [
 		'db101' => 'db101.miraheze.org',
 		'db121' => 'db121.miraheze.org',
 		'db131' => 'db131.miraheze.org',
 		'db142' => 'db142.miraheze.org',
 	],
 	'externalLoads' => [
 		'beta' => [
 			/** where the betawiki database is located */
 			'db121' => 1,
 		],
 		'echo' => [
 			/** where the metawiki database is located */
 			'db101' => 1,
 		],
 		'parsercache' => [
 			/** where the parsercache database is located */
 			'db121' => 1,
 		],
 	],
 	'readOnlyBySection' => [
 		// 'DEFAULT' => 'DC Switchover in progress. Please try again in a few minutes.',
 		// 'c1' => 'DC Switchover in progress. Please try again in a few minutes.',
 		// 'c2' => 'DC Switchover in progress. Please try again in a few minutes.',
 		// 'c3' => 'DC Switchover in progress. Please try again in a few minutes.',
 		// 'c4' => 'DC Switchover in progress. Please try again in a few minutes.',
 		// 'c5' => 'DC Switchover in progress. Please try again in a few minutes.',
 	],
 ];
 
 // Disallow web request database transactions that are slower than 3 seconds
 $wgMaxUserDBWriteDuration = 3;
 
 // Max execution time for expensive queries of special pages (in milliseconds)
 $wgMaxExecutionTimeForExpensiveQueries = 30000;
diff --git a/GlobalCache.php b/GlobalCache.php
index 698726f1..1870f386 100644
--- a/GlobalCache.php
+++ b/GlobalCache.php
@@ -1,121 +1,120 @@
 <?php
 
 // mem141
 $wgObjectCaches['memcached-mem-1'] = [
 	'class'                => MemcachedPeclBagOStuff::class,
 	'serializer'           => 'php',
 	'persistent'           => false,
 	'servers'              => [ '127.0.0.1:11212' ],
 	// Effectively disable the failure limit (0 is invalid)
 	'server_failure_limit' => 1e9,
 	// Effectively disable the retry timeout
 	'retry_timeout'        => -1,
 	'loggroup'             => 'memcached',
 	// 500ms, in microseconds
 	'timeout'              => 1 * 1e6,
 ];
 
 // mem131
 $wgObjectCaches['memcached-mem-2'] = [
 	'class'                => MemcachedPeclBagOStuff::class,
 	'serializer'           => 'php',
 	'persistent'           => false,
 	'servers'              => [ '127.0.0.1:11214' ],
 	// Effectively disable the failure limit (0 is invalid)
 	'server_failure_limit' => 1e9,
 	// Effectively disable the retry timeout
 	'retry_timeout'        => -1,
 	'loggroup'             => 'memcached',
 	// 500ms, in microseconds
 	'timeout'              => 1 * 1e6,
 ];
 
 $wgObjectCaches['mysql-multiwrite'] = [
 	'class' => MultiWriteBagOStuff::class,
 	'caches' => [
 		0 => [
 			'factory' => [ 'ObjectCache', 'getInstance' ],
 			'args' => [ 'memcached-mem-1' ]
 		],
 		1 => [
 			'class' => SqlBagOStuff::class,
 			'servers' => [
 				[
 					'type'      => 'mysql',
 					'host'      => 'db121.miraheze.org',
 					'dbname'    => 'parsercache',
 					'user'      => $wgDBuser,
 					'password'  => $wgDBpassword,
-					// DBO_SSL is deprecated in 1.39
-					// use 'ssl' parameter instead
-					'flags'     => DBO_SSL,
+					'ssl'       => true,
+					'flags'     => DBO_DEFAULT,
 					'sslCAFile' => '/etc/ssl/certs/Sectigo.crt',
 				],
 			],
 			'purgePeriod' => 0,
 			'tableName' => 'pc',
 			'reportDupes' => false
 		],
 	],
 	'replication' => 'async',
 	'reportDupes' => false
 ];
 
 $wgSessionCacheType = 'memcached-mem-2';
 
 $redisServerIP = '[2a10:6740::6:306]:6379';
 
 $wgMainCacheType = 'memcached-mem-2';
 $wgMessageCacheType = 'memcached-mem-2';
 $wgParserCacheType = 'mysql-multiwrite';
 
 $wgLanguageConverterCacheType = CACHE_ACCEL;
 
 // 10 days
 $wgParserCacheExpireTime = 86400 * 10;
 
 // 3 days
 $wgRevisionCacheExpiry = 86400 * 3;
 
 $wgDLPQueryCacheTime = 120;
 $wgDplSettings['queryCacheTime'] = 120;
 
 // Disable sidebar cache for select wikis as a solution to T8732, T9699, and T9884
 if ( $wgDBname !== 'solarawiki' && $wgDBname !== 'constantnoblewiki' && $wgDBname !== 'nonciclopediawiki' ) {
 	$wgEnableSidebarCache = true;
 }
 
 $wgUseLocalMessageCache = true;
 $wgInvalidateCacheOnLocalSettingsChange = false;
 
 if ( preg_match( '/^(.*)\.betaheze\.org$/', $wi->server ) ) {
 	$redisServerIP = '[2a10:6740::6:406]:6379';
 
 	// Session cache needs to be flipped for betaheze to avoid session conflicts
 	$wgSessionCacheType = 'memcached-mem-1';
 
 	$wgMainWANCache = 'betaheze';
 	$wgWANObjectCaches['betaheze'] = [
 		'class' => WANObjectCache::class,
 		'cacheId' => 'memcached-mem-1',
 	];
 }
 
 $wgJobTypeConf['default'] = [
 	'class' => JobQueueRedis::class,
 	'redisServer' => $redisServerIP,
 	'redisConfig' => [
 		'connectTimeout' => 2,
 		'password' => $wmgRedisPassword,
 		'compression' => 'gzip',
 	],
 	'claimTTL' => 3600,
 	'daemonized' => true,
 ];
 
 if ( PHP_SAPI === 'cli' ) {
 	// APC not available in CLI mode
 	$wgLanguageConverterCacheType = CACHE_NONE;
 }
 
 unset( $redisServerIP );