diff --git a/composer.json b/composer.json
index c4fc10555..8c8d8c411 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "wp-cli/extension-command": "^1.2 || ^2",
         "wp-cli/media-command": "^1.1 || ^2",
         "wp-cli/super-admin-command": "^1 || ^2",
-        "wp-cli/wp-cli-tests": "^3.1"
+        "wp-cli/wp-cli-tests": "^4.0"
     },
     "config": {
         "process-timeout": 7200,