requirements guzzlehttp

[grekpg]

Problem 1
- Installation request for klarennns/php-correosexpress-api dev-master -> satisfiable by klarennns/php-correosexpress-api[dev-master].
- Can only install one of: guzzlehttp/guzzle[7.5.0, 6.5.4].
- Can only install one of: guzzlehttp/guzzle[6.5.4, 7.5.0].
- Can only install one of: guzzlehttp/guzzle[6.5.4, 7.5.0].
- Conclusion: install guzzlehttp/guzzle 6.5.4
- Installation request for guzzlehttp/guzzle (locked at 7.5.0) -> satisfiable by guzzlehttp/guzzle[7.5.0].

why you require specified version of gruzzle ? gruzzle versions is shit, it change every year