Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest ^3.2 -> satisfiable by pestphp/pest[v3.2.0, v3.2.1, 3.x-dev]. - pestphp/pest[v3.2.0, ..., 3.x-dev] require php ^8.2.0 -> your php version (8.1.29) does not satisfy that requirement. Problem 2 - spatie/pest-plugin-snapshots 2.2.0 requires pestphp/pest ^2.0|^3.0 -> satisfiable by pestphp/pest[v3.2.0, v3.2.1, 3.x-dev]. - spatie/pest-plugin-snapshots 2.1.0 requires pestphp/pest ^2.0 -> found pestphp/pest[v2.0.1, ..., 2.x-dev] but it conflicts with your root composer.json require (^3.2). - pestphp/pest[v3.2.0, ..., 3.x-dev] require php ^8.2.0 -> your php version (8.1.29) does not satisfy that requirement. - Root composer.json requires spatie/pest-plugin-snapshots ^2.1 -> satisfiable by spatie/pest-plugin-snapshots[2.1.0, 2.2.0].