An online store is constantly evolving. The catalog grows, new integrations appear, business needs change and customers expect an increasingly fast and smooth experience.
The technology platform must keep pace with that evolution too.
Upgrading PrestaShop isn’t just about changing a version number. It’s an opportunity to review your store’s architecture, modernize the technical environment and build a more stable, compatible and easy-to-maintain foundation.
At TRILOGI, a three-star PrestaShop Expert partner, we approach these projects from a global perspective: platform, modules, theme, customizations, integrations, infrastructure and business operations.
What does upgrading a PrestaShop store mean?
Upgrading PrestaShop means moving a store to a more recent maintenance version within its current branch. For example, going from an earlier PrestaShop 8.2 release to the latest available version of the same branch.
A migration usually involves a larger change, such as moving from PrestaShop 1.6 or 1.7 to a current generation of the platform. In these cases, updating the core isn’t enough: you also need to study the compatibility of modules, theme, in-house developments, overrides, connectors and server environment.
The official PrestaShop documentation explains that PrestaShop follows a model based on major, minor and maintenance versions. Maintenance versions add fixes and improvements without introducing major functional changes.
Why is it advisable to keep PrestaShop up to date?
1. A more stable technology foundation
Maintenance versions include improvements aimed at refining how the platform works.
PrestaShop recommends using the latest versions to benefit from the stability fixes included by the project. Before an upgrade, it also advises making a full backup of files and the database.
Regular maintenance lets you evolve through smaller, controlled interventions instead of building up a large technology gap.
2. Greater compatibility with the ecosystem
A PrestaShop store is made up of different layers:
- The platform core.
- Modules.
- The theme.
- Custom developments.
- Overrides.
- Integrations with external systems.
- PHP, the database and the server.
That’s why a well-planned upgrade must review the whole system and not just the core. The technical document provided for this content also highlights the importance of inventorying modules, theme, customizations, integrations and environment before defining the upgrade strategy.
This review helps identify which components can be upgraded directly, which need adapting and which should be replaced with more current alternatives.
3. A modern server environment
Compatibility between PrestaShop, PHP, the web server and the database directly affects a store’s maintainability.
For PrestaShop 8, the official documentation recommends PHP 8.1, Apache 2.4 or higher and recent versions of MySQL or MariaDB. It also recommends at least 256 MB of memory per PHP process.
Working in a modern environment makes maintenance easier, lets you take advantage of language improvements and supports compatibility with current tools.
4. Updated, better-integrated modules
Modules extend PrestaShop’s capabilities: payment methods, filters, logistics, marketing, analytics, search or connection with business systems.
Keeping them updated lets you incorporate the improvements released by their developers. A recent example is the official faceted navigation module, ps_facetedsearch, whose version 4.0.4 was included in the PrestaShop 8.2.7 and 9.1.4 distributions.
This model shows one of the advantages of the PrestaShop ecosystem: the project can distribute updated versions of its components and make it easier for stores to adopt these improvements through a planned process.
5. Greater ability to evolve
An up-to-date foundation makes it easier to take on new projects:
- User experience redesigns.
- New payment solutions.
- ERP, CRM or PIM integrations.
- Logistics automation.
- Internationalization.
- Commercial personalization.
- Performance improvements.
- Advanced analytics.
- Omnichannel strategies.
When the architecture is organized and documented, the team can spend more effort creating business value and less maintaining legacy compatibility.
When should you upgrade, and when is it better to migrate?
The answer depends on the current version, the store’s architecture and its goals.
Stores on PrestaShop 1.6
PrestaShop 1.6 belongs to an earlier technology generation. For these projects, a full, controlled migration is usually advisable.
Moving to a current version also strengthens the store’s security, as you’re working on a platform that receives maintenance fixes and is compatible with more modern versions of PHP, modules and server components. This helps reduce the exposure associated with old technologies and enables preventive management of the eCommerce.
The analysis should include:
- Data quality and structure.
- Installed modules.
- Custom-built features.
- Theme and user experience.
- External integrations.
- Business rules.
- Infrastructure.
- Future business needs.
Rather than replicating the existing store exactly, a migration can be used to simplify processes, remove components that no longer add value and design a solution ready for the years ahead.
Stores on PrestaShop 1.7
With PrestaShop 1.7, the strategy will depend on the minor version, modules and level of customization.
From a security standpoint, migrating to a current version reduces dependence on old libraries, modules and technology environments. It also makes it easier to apply new fixes and maintain the core, server and installed extensions in a coordinated way.
Moving to a current version lets you modernize the technical foundation and align it with the evolution model the project adopted from PrestaShop 8 onward.
In these cases, it’s especially important to carry out a compatibility audit before deciding on the migration target.
Stores on PrestaShop 8
PrestaShop 8 remains a valid foundation for many retailers when it’s kept on a recent version of its branch and its components are under control.
The PrestaShop 8 documentation itself now notes that a newer generation exists and points developers to the PrestaShop 9 documentation.
This doesn’t mean every retailer must make the leap immediately. The decision should consider:
- Module compatibility.
- Theme and customizations.
- Critical integrations.
- Commercial calendar.
- Project cost.
- Technical and functional benefits.
- eCommerce roadmap.
For some stores, it will make sense to first upgrade to the latest PrestaShop 8.2 version. For others, especially when facing a redesign or a major evolution, it will make sense to consider migrating directly to PrestaShop 9.
How is a PrestaShop migration carried out?
Whether you’re wondering how to migrate to PrestaShop 9 or to the new 9.2 generation, a professional migration should be structured in several phases.
1. Technical and functional audit
The first phase is to understand the starting point precisely:
- PrestaShop version.
- PHP and database versions.
- Catalog and order volume.
- Active modules.
- Overrides and core modifications.
- Theme.
- Integrations.
- Back-office processes.
- Performance.
- Future needs.
The goal is to build a reliable inventory and detect dependencies before taking action.
2. Defining the target architecture
Once the audit is complete, you decide:
- Target version.
- Infrastructure.
- Modules to keep.
- Components to replace.
- Required adaptations.
- Data migration strategy.
- Test plan.
- Go-live plan.
Not every store needs the same solution. A B2C eCommerce with a small catalog faces different challenges from an international operation connected to an ERP, several warehouses and multiple sales channels.
3. Setting up a separate environment
The migration should be carried out in an environment separate from the live store.
This lets you configure the new platform, adapt modules, import data and run tests without interfering with day-to-day business.
4. Data migration and validation
You need to validate, among other things:
- Products and combinations.
- Categories.
- Customers and addresses.
- Orders.
- Taxes.
- Shipping rates.
- Images.
- Discounts.
- Content.
- URLs and redirects.
- Multi-store or multilingual settings.
The migration must preserve business consistency, not just copy tables between databases.
5. Functional testing
Before launching the new store, the main user journeys must be tested:
- Navigation and search.
- Filters.
- Registration and login.
- Cart.
- Promotions.
- Checkout.
- Payments.
- Carriers.
- Transactional emails.
- Order management.
- Invoicing.
- Integrations.
- Mobile display.
It’s also a good idea to include performance, indexing and analytics tests.
6. Go-live and follow-up
The final switchover must be planned to minimize service disruption and avoid losing information generated during the transition.
After launch, logs, orders, payments, integrations, performance metrics and indexing are reviewed to confirm everything works as expected.
What to review before upgrading PrestaShop
Before starting the project, we recommend answering these questions:
- Which exact PrestaShop version does the store use?
- Which modules are really necessary?
- Which ones are up to date and supported?
- Are there direct modifications to the core?
- Are there overrides or custom developments?
- Is the theme compatible with the target version?
- Which external systems exchange information with the store?
- Are there verified backups of files and the database?
- Is there a representative test environment?
- How will checkout and critical processes be verified?
PrestaShop recommends making a full backup before using its upgrade tool. A backup must also be restorable: it’s not enough for the automatic process to report that it was created successfully.
Technical upgrade and SEO: they must go hand in hand
An eCommerce migration can also affect organic rankings. To protect existing visibility, you need to keep or properly redirect:
- Category and product URLs.
- Meta titles and meta descriptions.
- Canonical tags.
- Headings.
- Structured data.
- Editorial content.
- Sitemap.
- Robots and indexing rules.
- Internal linking.
- Manufacturer and brand pages.
- Pagination and filters.
PrestaShop templates let you manage elements such as the title, meta description, robots instructions and canonical URL within each page’s header.
That’s why the migration plan must include a before-and-after SEO comparison, along with a redirect map and indexing monitoring.
TRILOGI’s methodology for upgrading PrestaShop
As a three-star PrestaShop Expert partner, at TRILOGI we see an upgrade as an eCommerce evolution project.
Our approach combines:
- Technical and functional audit.
- Version strategy.
- Review of modules and customizations.
- Architecture design.
- Data migration.
- Integration with business systems.
- Purchase process testing.
- Performance monitoring.
- SEO continuity plan.
- Deployment and follow-up.
The goal isn’t just to have a newer version, but to achieve a more organized, scalable store that’s ready for the business’s next challenges.
Upgrading or migrating PrestaShop: a strategic decision for your eCommerce
Upgrading PrestaShop lets technology keep pace with your eCommerce.
Stores built on PrestaShop 1.6 or 1.7 can use the migration to modernize their architecture, strengthen security, review processes and reduce dependence on old components. On PrestaShop 8, keeping the branch and modules up to date provides a solid foundation while you assess the right time to move to PrestaShop 9.
The key is planning: audit first, define a coherent architecture, work in a test environment and validate every critical process before going live.
With the right strategy, migration stops being a purely technical intervention and becomes an opportunity to drive eCommerce growth.
