problem s instalaci kdyby/wkhtmltopdf

chtel jsem instalovat wkhtmltopdf do nette 2.3.8 pomoci composeru

Using version 0.1.* for kdyby/wkhtmltopdf
./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
    - nette/nette v2.3.5 requires nette/application 2.3.5 -> no matching package found.
    - nette/nette v2.3.4 requires nette/application 2.3.4 -> no matching package found.
    - nette/nette v2.3.3 requires nette/application 2.3.3 -> no matching package found.
    - nette/nette v2.3.2 requires nette/application 2.3.3 -> no matching package found.
    - nette/nette v2.3.1 requires nette/application 2.3.2 -> no matching package found.
    - nette/nette v2.3.0 requires nette/application 2.3.1 -> no matching package found.
    - nette/nette v2.2.9 requires nette/application 2.2.6 -> no matching package found.
    - nette/nette v2.2.8 requires latte/latte 2.2.5 -> no matching package found.
    - nette/nette v2.2.7 requires nette/application 2.2.4 -> no matching package found.
    - nette/nette v2.2.6 requires nette/application 2.2.3 -> no matching package found.
    - nette/nette v2.2.5 requires nette/application 2.2.3 -> no matching package found.
    - nette/nette v2.2.4 requires nette/application 2.2.3 -> no matching package found.
    - nette/nette v2.2.3 requires latte/latte 2.2.3 -> no matching package found.
    - nette/nette v2.2.2 requires nette/application 2.2.1 -> no matching package found.
    - nette/nette v2.2.12 requires nette/application 2.2.9 -> no matching package found.
    - nette/nette v2.2.11 requires nette/application 2.2.8 -> no matching package found.
    - nette/nette v2.2.10 requires nette/application 2.2.7 -> no matching package found.
    - nette/nette v2.2.1 requires nette/application 2.2.0 -> no matching package found.
    - nette/nette v2.2.0 requires nette/application 2.2.0 -> no matching package found.
    - Installation request for kdyby/wkhtmltopdf 0.1.* -> satisfiable by kdyby/wkhtmltopdf[v0.1].
    - nette/nette v2.3.8 requires nette/caching 2.3.4 -> satisfiable by nette/caching[v2.3.4].
    - Conclusion: don't install nette/caching v2.3.4
    - Installation request for nette/caching == 2.4.3.0 -> satisfiable by nette/caching[v2.4.3].
    - Conclusion: remove nette/application v2.3.8
    - kdyby/wkhtmltopdf v0.1 requires nette/nette * -> satisfiable by nette/nette[v2.1.10, v2.1.11, v2.1.12, v2.1.9, v2.0.10, v2.0.11, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.2, v2.0.3, v2.0.4, v2.0.5, v2.0.6, v2.0.7, v2.0.8, v2.0.9, v2.1.0, v2.1.1, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.12, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.2, v2.3.3, v2.3.4, v2.3.5, v2.3.6, v2.3.7, v2.3.8].
    - nette/nette v2.3.6 requires nette/application 2.3.6 -> satisfiable by nette/application[v2.3.6].
    - nette/nette v2.3.7 requires nette/application 2.3.7 -> satisfiable by nette/application[v2.3.7].
    - Can only install one of: nette/application[v2.3.8, v2.3.6].
    - Can only install one of: nette/application[v2.3.8, v2.3.7].
    - nette/nette v2.0.10 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.11 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.12 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.13 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.14 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.15 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.16 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.17 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.18 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.2 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.3 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.4 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.5 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.6 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.7 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.8 conflicts with nette/application[v2.3.8].
    - nette/nette v2.0.9 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.0 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.1 conflicts with nette/application[v2.3.8].
    - nette/application v2.3.8 conflicts with nette/nette[v2.1.10].
    - nette/application v2.3.8 conflicts with nette/nette[v2.1.11].
    - nette/application v2.3.8 conflicts with nette/nette[v2.1.12].
    - nette/nette v2.1.2 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.3 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.4 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.5 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.6 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.7 conflicts with nette/application[v2.3.8].
    - nette/nette v2.1.8 conflicts with nette/application[v2.3.8].
    - nette/application v2.3.8 conflicts with nette/nette[v2.1.9].
    - Installation request for nette/application == 2.3.8.0 -> satisfiable by nette/application[v2.3.8].

Potential causes:
 - A typo in the package name
 - The package is not available in a stable-enough version according to your minimum-stability setting
   see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> for more details.

Read <http://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.

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