diff --git a/README.md b/README.md
index 2e6541d..d3e38e8 100644
--- a/README.md
+++ b/README.md
@@ -159,7 +159,7 @@ Thanks a bunch for supporting me!
 
 ## Contribution
 
-Contributions are always welcome! Please take a look at the [contribution guidelines](https://github.com/meysamhadeli/booking-microservices-sample/blob/master/contributing.md) pages first.
+Contributions are always welcome! Please take a look at the [contribution guidelines](https://github.com/meysamhadeli/booking-microservices-sample/blob/main/contributing.md) pages first.
 
 Thanks to all [contributors](https://github.com/meysamhadeli/booking-microservices-sample/graphs/contributors), you're awesome and this wouldn't be possible without you! The goal is to build a categorized community-driven collection of very well-known resources.