Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires mglaman/phpstan-drupal ^1.1, found mglaman/phpstan-drupal[1.1.0, ..., 1.x-dev] but these were not loaded, likely because it conflicts with another require. Problem 2 - drupal/core-dev is locked to version 11.2.2 and an update of this package was not requested. - drupal/core-dev 11.2.2 requires mglaman/phpstan-drupal ^2.0.7 -> found mglaman/phpstan-drupal[2.0.7] but it conflicts with your root composer.json require (^1.1). Problem 3 - Root composer.json requires drupal/core-recommended ~11.1.0 -> satisfiable by drupal/core-recommended[11.1.0-beta1, ..., 11.1.x-dev]. - drupal/core-recommended 11.1.0-rc1 requires drupal/core 11.1.0-rc1 -> found drupal/core[11.1.0-rc1] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.0-beta1 requires drupal/core 11.1.0-beta1 -> found drupal/core[11.1.0-beta1] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.0 requires drupal/core 11.1.0 -> found drupal/core[11.1.0] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.1 requires drupal/core 11.1.1 -> found drupal/core[11.1.1] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.2 requires drupal/core 11.1.2 -> found drupal/core[11.1.2] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.3 requires drupal/core 11.1.3 -> found drupal/core[11.1.3] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.4 requires drupal/core 11.1.4 -> found drupal/core[11.1.4] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.5 requires drupal/core 11.1.5 -> found drupal/core[11.1.5] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.6 requires drupal/core 11.1.6 -> found drupal/core[11.1.6] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.7 requires drupal/core 11.1.7 -> found drupal/core[11.1.7] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.8 requires drupal/core 11.1.8 -> found drupal/core[11.1.8] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - drupal/core-recommended 11.1.x-dev requires drupal/core 11.1.x-dev -> found drupal/core[11.1.x-dev] but the package is fixed to 11.2.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.