Installation failed, LA5.5

[figochen]

$ composer require "ipalaus/geonames"

Using version ^3.0 for ipalaus/geonames
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

Problem 1
- Conclusion: don't install ipalaus/geonames v3.0.1
- Conclusion: remove symfony/console v3.4.2
- Installation request for ipalaus/geonames ^3.0 -> satisfiable by ipalaus/geonames[v3.0, v3.0.1].
- Conclusion: don't install symfony/console v3.4.2
- ipalaus/geonames v3.0 requires symfony/process 2.8.|3.0. -> satisfiable by symfony/process[v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.28, v2.8.29, v2.8.3, v2.8.30, v2.8.31, v2.8.32, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9].
- symfony/process v2.8.0 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.1 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.10 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.11 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.12 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.13 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.14 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.15 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.16 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.17 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.18 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.19 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.2 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.20 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.21 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.22 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.23 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.24 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.25 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.26 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.27 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.28 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.29 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.3 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.30 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.31 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.32 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.4 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.5 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.6 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.7 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.8 conflicts with symfony/console[v3.4.2].
- symfony/process v2.8.9 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.0 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.1 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.2 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.3 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.4 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.5 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.6 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.7 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.8 conflicts with symfony/console[v3.4.2].
- symfony/process v3.0.9 conflicts with symfony/console[v3.4.2].
- Installation request for symfony/console (locked at v3.4.2) -> satisfiable by symfony/console[v3.4.2].

Installation failed, reverting ./composer.json to its original content.

[figochen]

try
$ composer require "ipalaus/geonames" "dev-master"
…
Package manifest generated successfully.