Unable to update composer/ Laravel. Getting the erro

[ghost]

Your requirements could not be resolved to an installable set of packages.

Problem 1
- The requested package laravel/laravel No version set (parsed as 1.0.0) is satisfiable by laravel/laravel[No version set (parsed as 1.0.0)] but these conflict with your requirements or minimum-stability.

[freekmurze]

Seems like this problem is not related to the package.

[ghost]

I am also clueless how to solve this.