# Error while trying to upgrade - failed calling webhook

**URL:** https://forums.suse.com/t/error-while-trying-to-upgrade-failed-calling-webhook/36617
**Category:** SUSE Rancher Prime
**Created:** [January 3, 2022, 10:44am UTC](https://forums.suse.com/t/error-while-trying-to-upgrade-failed-calling-webhook/36617 "2022-01-03T10:44:11Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![lolhax1337](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/lolhax1337/32/4967_2.png) [@lolhax1337](https://forums.suse.com/u/lolhax1337)
#### Post date: [January 3, 2022, 10:44am UTC](https://forums.suse.com/t/error-while-trying-to-upgrade-failed-calling-webhook/36617/1 "2022-01-03T10:44:11Z")

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Error: UPGRADE FAILED: create: failed to create: Internal error occurred: failed calling webhook “[rancher.cattle.io](http://rancher.cattle.io)”: Post “[https://rancher-webhook.cattle-system.svc:443/v1/webhook/mutation?timeout=10s](https://rancher-webhook.cattle-system.svc:443/v1/webhook/mutation?timeout=10s)”: x509: certificate has expired or is not yet valid

From 2.6.2 to 2.6.3. Any suggestions?