# Outdated logstash plugin
**URL:** https://discuss.elastic.co/t/outdated-logstash-plugin/256881
**Category:** Logstash
**Created:** [November 27, 2020, 1:29pm UTC](https://discuss.elastic.co/t/outdated-logstash-plugin/256881 "2020-11-27T13:29:27Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@cactus](https://discuss.elastic.co/u/cactus)
#### Post date: [November 27, 2020, 1:29pm UTC](https://discuss.elastic.co/t/outdated-logstash-plugin/256881/1 "2020-11-27T13:29:27Z")
Hello, guys!
Does it safe to upgrade a particular logstash plugin to the latest version even when logstash itself too far behind the current master?
Problem:
memory leak on grok pattern
>
>
> I'm opening an issue here as we have had no response to our forum post. The post includes graphs showing the...
Solution:
update grok pattern to at least 4.0.3 version
Our install:
Logstash version - logstash 5.6.8
grok filter version - logstash-filter-grok (4.0.2)
If I run `bin/logstash-plugin update logstash-filter-grok` it will update grok to the latest version(4.3.0) or to the latest version of grok based on logstash version?
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 25, 2020, 1:29pm UTC](https://discuss.elastic.co/t/outdated-logstash-plugin/256881/2 "2020-12-25T13:29:27Z")
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