diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 3ac09ef9..cb3acef6 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -34,4 +34,4 @@ needs to tested and shown to be correct. Briefly describe the testing that has
 already been done or which is planned for this change.
 -->
 
-[contribution process]: https://github.com/crossplane/upjet/blob/master/CONTRIBUTING.md
+[contribution process]: https://github.com/crossplane/upjet/blob/main/CONTRIBUTING.md
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 26df864f..78841dc5 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -6,4 +6,4 @@ SPDX-License-Identifier: CC0-1.0
 
 # Community Code of Conduct
 
-This project follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
+This project follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/main/code-of-conduct.md).
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c35a03a2..0895efcc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -108,9 +108,9 @@ replace github.com/crossplane/upjet => github.com/<your user name>/upjet <hash o
 ```
 
 [Slack]: https://crossplane.slack.com/archives/C01TRKD4623
-[code of conduct]: https://github.com/cncf/foundation/blob/master/code-of-conduct.md
+[code of conduct]: https://github.com/cncf/foundation/blob/main/code-of-conduct.md
 [good git commit hygiene]: https://www.futurelearn.com/info/blog/telling-stories-with-your-git-history
 [Developer Certificate of Origin]: https://github.com/apps/dco
 [test review comments]: https://github.com/golang/go/wiki/TestComments
 [docs]: docs/
-[Coding Style]: https://github.com/crossplane/crossplane/blob/master/CONTRIBUTING.md#coding-style
+[Coding Style]: https://github.com/crossplane/crossplane/blob/main/CONTRIBUTING.md#coding-style
diff --git a/README.md b/README.md
index 0ee78d07..582e668b 100644
--- a/README.md
+++ b/README.md
@@ -54,5 +54,5 @@ Upjet originates from the [Terrajet][terrajet] project. See the original
 
 Upjet is under [the Apache 2.0 license](LICENSE) with [notice](NOTICE).
 
-[terrajet-design-doc]: https://github.com/crossplane/crossplane/blob/master/design/design-doc-terrajet.md
+[terrajet-design-doc]: https://github.com/crossplane/crossplane/blob/main/design/design-doc-terrajet.md
 [terrajet]: https://github.com/crossplane/terrajet
diff --git a/docs/adding-support-for-management-policies.md b/docs/adding-support-for-management-policies.md
index 94299c9b..f2064868 100644
--- a/docs/adding-support-for-management-policies.md
+++ b/docs/adding-support-for-management-policies.md
@@ -21,7 +21,7 @@ directory on your local machine.
     make generate
     
     # Consume the latest crossplane-runtime:
-    go get github.com/crossplane/crossplane-runtime@master
+    go get github.com/crossplane/crossplane-runtime@main
     go mod tidy
     ```
 
diff --git a/docs/configuring-a-resource.md b/docs/configuring-a-resource.md
index f58f48cd..c4ae5ab5 100644
--- a/docs/configuring-a-resource.md
+++ b/docs/configuring-a-resource.md
@@ -918,4 +918,4 @@ initializers for a resource.
 [NewInitializerFn]: https://github.com/crossplane/upjet/blob/92d1af84d24241bef08e6b4a2cfe1ab66a93308a/pkg/config/resource.go#L265
 [crossplane-runtime]: https://github.com/crossplane/crossplane-runtime/blob/428b7c3903756bb0dcf5330f40298e1fa0c34301/pkg/reconciler/managed/reconciler.go#L138
 [tagging convention]: https://github.com/crossplane/crossplane/blob/60c7df9/design/one-pager-managed-resource-api-design.md#external-resource-labeling
-[Naming Conventions - One Pager Managed Resource API Design]: https://github.com/crossplane/crossplane/blob/master/design/one-pager-managed-resource-api-design.md#naming-conventions
+[Naming Conventions - One Pager Managed Resource API Design]: https://github.com/crossplane/crossplane/blob/main/design/one-pager-managed-resource-api-design.md#naming-conventions