diff --git a/composer.json b/composer.json
index f2ae82a0f2..a2652a2a83 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "yoast/phpunit-polyfills": "2.0.0",
         "johnpbloch/wordpress-core": "6.3.2",
         "wp-phpunit/wp-phpunit": "6.3.1",
-        "wp-cli/wp-cli": "2.8.1"
+        "wp-cli/wp-cli": "2.9.0"
     },
     "config": {
         "allow-plugins": {
diff --git a/composer.lock b/composer.lock
index 58a00e386f..2af8da2311 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "59e6d0f8004139ba6bf2c3308e5a157a",
+    "content-hash": "d1f88f8ce41eb6967141e0fd5bd7c868",
     "packages": [],
     "packages-dev": [
         {
@@ -2754,16 +2754,16 @@
         },
         {
             "name": "wp-cli/php-cli-tools",
-            "version": "v0.11.20",
+            "version": "v0.11.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-cli/php-cli-tools.git",
-                "reference": "d788a2c79e02f2f735fbb2b9a53db94d0e1bca4f"
+                "reference": "b3457a8d60cd0b1c48cab76ad95df136d266f0b6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wp-cli/php-cli-tools/zipball/d788a2c79e02f2f735fbb2b9a53db94d0e1bca4f",
-                "reference": "d788a2c79e02f2f735fbb2b9a53db94d0e1bca4f",
+                "url": "https://api.github.com/repos/wp-cli/php-cli-tools/zipball/b3457a8d60cd0b1c48cab76ad95df136d266f0b6",
+                "reference": "b3457a8d60cd0b1c48cab76ad95df136d266f0b6",
                 "shasum": ""
             },
             "require": {
@@ -2811,22 +2811,22 @@
             ],
             "support": {
                 "issues": "https://github.com/wp-cli/php-cli-tools/issues",
-                "source": "https://github.com/wp-cli/php-cli-tools/tree/v0.11.20"
+                "source": "https://github.com/wp-cli/php-cli-tools/tree/v0.11.21"
             },
-            "time": "2023-09-01T12:21:35+00:00"
+            "time": "2023-09-29T15:28:10+00:00"
         },
         {
             "name": "wp-cli/wp-cli",
-            "version": "v2.8.1",
+            "version": "v2.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-cli/wp-cli.git",
-                "reference": "5dd2340b9a01c3cfdbaf5e93a140759fdd190eee"
+                "reference": "8a3befba2d947fbf5cc6d1941edf2dd99da4d4b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wp-cli/wp-cli/zipball/5dd2340b9a01c3cfdbaf5e93a140759fdd190eee",
-                "reference": "5dd2340b9a01c3cfdbaf5e93a140759fdd190eee",
+                "url": "https://api.github.com/repos/wp-cli/wp-cli/zipball/8a3befba2d947fbf5cc6d1941edf2dd99da4d4b7",
+                "reference": "8a3befba2d947fbf5cc6d1941edf2dd99da4d4b7",
                 "shasum": ""
             },
             "require": {
@@ -2843,7 +2843,7 @@
                 "wp-cli/entity-command": "^1.2 || ^2",
                 "wp-cli/extension-command": "^1.1 || ^2",
                 "wp-cli/package-command": "^1 || ^2",
-                "wp-cli/wp-cli-tests": "^3.1.6"
+                "wp-cli/wp-cli-tests": "^4.0.1"
             },
             "suggest": {
                 "ext-readline": "Include for a better --prompt implementation",
@@ -2883,7 +2883,7 @@
                 "issues": "https://github.com/wp-cli/wp-cli/issues",
                 "source": "https://github.com/wp-cli/wp-cli"
             },
-            "time": "2023-06-05T06:55:55+00:00"
+            "time": "2023-10-25T09:06:37+00:00"
         },
         {
             "name": "wp-coding-standards/wpcs",