Skip to main content

🚀 Deadline Extended! (Ends April 30, 2026!) Finalize your GitHub repo and demo video to enter the Calico 3.30+ Hackathon.

Tigera home
Project Calico
Compare products
Pricing
Blog
Events
Contact us

Calico Enterprise

Calico Open Source
Calico Cloud
Calico Enterprise

3.23 (early preview)
3.22 (latest)
3.21
3.20
All versions

Tutorials Certification Try Calico Cloud

Microsegmentation
Observability
Egress access controls
Egress gateways
Cluster mesh

About Calico
Install and upgrade
Networking
Network policy
Observability
Multi-cluster management
Threat defense
Compliance and security
Operations
Reference
Release notes

Install and upgrade
Upgrade

Calico Enterprise 3.21 documentation

Upgrade

🗃Upgrade Calico Enterprise

2 items

🗃Upgrade from Calico to Calico Enterprise

2 items

Use custom certificates for Node and Typha

Upgrade Calico Enterprise

Learn

Documentation
Events
Resource center
Blog
Trade shows
Certification
Guides

Support

Customer success
Support portal
Security bulletins
Report a security issue

Open source

Project Calico
Community
GitHub
Stack Overflow
Slack

Company

About Calico
Customers
Partners
Newsroom
Careers
Contact

Copyright © 2026 Tigera, Inc.

Tigera is the creator and maintainer of Project Calico.

Privacy Center | Do not sell or share my personal information