diff --git a/src/Psalm/Config.php b/src/Psalm/Config.php
index c77bdb643..206d486e5 100644
--- a/src/Psalm/Config.php
+++ b/src/Psalm/Config.php
@@ -605,6 +605,7 @@ class Config
      *     mongodb: bool,
      *     mysqli: bool,
      *     pdo: bool,
+     *     redis: bool,
      *     simplexml: bool,
      *     soap: bool,
      *     xdebug: bool,
@@ -621,6 +622,7 @@ class Config
         "mongodb" => false,
         "mysqli" => false,
         "pdo" => false,
+        "redis" => false,
         "simplexml" => false,
         "soap" => false,
         "xdebug" => false,