# Logstash-output-mongodb depends on older version **URL:** \ **Category:** Logstash\ **Created:** [February 6, 2018, 10:43am UTC](https://discuss.elastic.co/t/logstash-output-mongodb-depends-on-older-version/118616 "2018-02-06T10:43:33Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![sana](https://avatars.discourse-cdn.com/v4/letter/s/ba9def/32.png) [@sana](https://discuss.elastic.co/u/sana)\ **Post date:** [February 6, 2018, 10:43am UTC](https://discuss.elastic.co/t/logstash-output-mongodb-depends-on-older-version/118616/1 "2018-02-06T10:43:34Z")
hello, everytime i try to install the mongo output plugin, it always show this error: Plugin version conflict, aborting ERROR: Installation Aborted, message: Bundler could not find compatible versions for gem "mongo": In Gemfile: logstash-output-mongodb (= 3.1.3) java depends on mongo (~\> 2.0.6) java Could not find gem 'mongo (~\> 2.0.6) java', which is required by gem 'logstash-output-mongodb (= 3.1.3) java', in any of the sources. i tried to update the bundle but it keeps using the mongo 2.0.6.... what can i do please ---
**Author:** ![sana](https://avatars.discourse-cdn.com/v4/letter/s/ba9def/32.png) [@sana](https://discuss.elastic.co/u/sana)\ **Post date:** [February 7, 2018, 1:29pm UTC](https://discuss.elastic.co/t/logstash-output-mongodb-depends-on-older-version/118616/2 "2018-02-07T13:29:16Z")
problem fixed when i uninstall and install logstash ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [March 7, 2018, 1:30pm UTC](https://discuss.elastic.co/t/logstash-output-mongodb-depends-on-older-version/118616/3 "2018-03-07T13:30:20Z")
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