diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 251a03d2..4a12c935 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -4,7 +4,7 @@ the requirements below.
 
 Bug fixes and new features should include tests and possibly benchmarks.
 
-Contributors guide: https://github.com/bcoe/c8/blob/master/CONTRIBUTING.md
+Contributors guide: https://github.com/bcoe/c8/blob/main/CONTRIBUTING.md
 -->
 
 ##### Checklist
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4153e95a..366118dc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -23,10 +23,10 @@ Pull Requests are the way concrete changes are made to the code, documentation,
     git fetch upstream
     ```
 
-1. Create local branches to work within. These should also be created directly off of the master branch:
+1. Create local branches to work within. These should also be created directly off of the main branch:
 
     ```sh
-    git checkout -b my-branch -t upstream/master
+    git checkout -b my-branch -t upstream/main
     ```
 
 1. Make your changes
@@ -47,7 +47,7 @@ Pull Requests are the way concrete changes are made to the code, documentation,
 
     ```sh
     git fetch upstream
-    git rebase upstream/master
+    git rebase upstream/main
     ```
 
 1. Run tests again to make sure all is okay