diff --git a/src/Check/Redis.php b/src/Check/Redis.php
index c14894a4..766d3237 100644
--- a/src/Check/Redis.php
+++ b/src/Check/Redis.php
@@ -8,6 +8,7 @@
 use RedisException;
 use RuntimeException;
 
+use function array_key_exists;
 use function class_exists;
 use function microtime;