patch-package
Make and preserve fixes to npm dependencies.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is patch-package?
Patch-package is a tool that allows developers to make changes to their npm dependencies and keep those changes when the dependency updates. This ensures that custom modifications are not lost during package upgrades, streamlining maintenance in complex projects.
Key differentiator
“Patch-package uniquely addresses the challenge of maintaining custom changes in npm dependencies by automatically generating and applying patches during updates, ensuring that modifications persist without manual intervention.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The tool is deeply integrated with npm and JavaScript ecosystems, requiring a good understanding of these to use effectively.
While the core functionality is well-documented, advanced use cases and troubleshooting guides are sparse, leading to difficulties in resolving complex issues.
Manual intervention is required to maintain and apply patches correctly, which can lead to errors if not managed carefully.
Setting up patch-package requires modifying package.json scripts and ensuring that the tool runs at appropriate times during development cycles, adding complexity to project setup.
Fit analysis
Who is it for?
✓ Best for
Developers who need to maintain custom changes to npm packages without losing them on updates.
Projects with heavily customized third-party libraries that require continuous maintenance.
✕ Not a fit for
Scenarios where dependencies are not frequently updated and do not require customization.
Teams preferring a more isolated approach to dependency management, avoiding external patches.
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Integrations
Next step
Get Started with patch-package
Step-by-step setup guide with code examples and common gotchas.