diff --git a/src/Symfony/Component/Cache/CHANGELOG.md b/src/Symfony/Component/Cache/CHANGELOG.md
index 38d60a390d94b..cfabc49a922a8 100644
--- a/src/Symfony/Component/Cache/CHANGELOG.md
+++ b/src/Symfony/Component/Cache/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 -----
 
  * added support for connecting to Redis Sentinel clusters when using the Redis PHP extension
+ * added TLS support for \Redis connection in the DNS. Example: `redis://127.0.0.1?tls=1`
 
 5.2.0
 -----
diff --git a/src/Symfony/Component/Cache/Traits/RedisTrait.php b/src/Symfony/Component/Cache/Traits/RedisTrait.php
index 9e34a6f89dd57..dd5963e75d0d6 100644
--- a/src/Symfony/Component/Cache/Traits/RedisTrait.php
+++ b/src/Symfony/Component/Cache/Traits/RedisTrait.php
@@ -179,8 +179,14 @@ public static function createConnection($dsn, array $options = [])
             $connect = $params['persistent'] || $params['persistent_id'] ? 'pconnect' : 'connect';
             $redis = new $class();
 
-            $initializer = static function ($redis) use ($connect, $params, $dsn, $auth, $hosts) {
+            $initializer = static function ($redis) use ($connect, $params, $dsn, $auth, $hosts, $query) {
                 $host = $hosts[0]['host'] ?? $hosts[0]['path'];
+                if (\array_key_exists('tls', $query)) {
+                    $tls = filter_var($query['tls'], \FILTER_VALIDATE_BOOLEAN);
+                    if ($tls) {
+                        $host = 'tls://'.$host;
+                    }
+                }
                 $port = $hosts[0]['port'] ?? null;
 
                 if (isset($params['redis_sentinel'])) {